[Q] couldn't install on usb or sd card - Android Q&A, Help & Troubleshooting

Ok, so I got the tronsmart vega s89 and I can't install purchased apps on it I get error (couldn't install on USB storage or SD card) funny thing is no first time I tried install I didn't have sd card in. I have looked for the temp file smt2 or whatever it is, its not here. This device is on kitkat and I think has a bad path to install location. Can I Change the install location? This error only happens with purchased apps NOT free ones. Any help would be appreciated!
Thanks in advance!

Otisrhw said:
Ok, so I got the tronsmart vega s89 and I can't install purchased apps on it I get error (couldn't install on USB storage or SD card) funny thing is no first time I tried install I didn't have sd card in. I have looked for the temp file smt2 or whatever it is, its not here. This device is on kitkat and I think has a bad path to install location. Can I Change the install location? This error only happens with purchased apps NOT free ones. Any help would be appreciated!
Thanks in advance!
Click to expand...
Click to collapse
Should work if you just remove your Google Account and then add it back and try again.

es0tericcha0s said:
Should work if you just remove your Google Account and then add it back and try again.
Click to expand...
Click to collapse
No, I wish it was that easy. I have tried Factory reset and removing account.

Sounds like a pain! Do you have more than 1 account on the tablet or use 2 different Google accounts? Seems like many people with this issue had success by using the Play Store site on the PC to tell it to install. Obviously not ideal, but just seems to be a weird thing that affects certain devices / updates. There is a thread here with various ideas and fixes: http://forum.xda-developers.com/showthread.php?t=2548604

I've got the same issue
Hi,
ive got the exact same issue. ive tried removing the account, ive installed a usb card, sd card but i get the same error. its driving me nuts. any solutions anyone
many thanks!!

TheNecroscope said:
Hi,
ive got the exact same issue. ive tried removing the account, ive installed a usb card, sd card but i get the same error. its driving me nuts. any solutions anyone
many thanks!!
Click to expand...
Click to collapse
This is a known issue. The manufacturer has been made aware of this and they will fix it soon. People have reported that if you restore paid apps with something like titanium backup then it works - so thats the wokaround if need paid apps for now.
Head to this forum - the developers do there magic there not in XDA.
http://www.freaktab.com/forumdisplay.php?188-Tronsmart-AML-Devices

FIXED!!!!!!
I searched a lot for this and finally got this solution.. It worked for me..
All u have to do is unmount sd card before installin and u can see it installs perfectly.....
After install u can mount sd card again

Related

[Q] Big problem with my Folio

Hi all, I need some help with my Folio 100. I have installed V1.3b FolioMod on my tablet and apparently everything works OK, all the applications work fine, Wifi is Ok........ but I've noticed that have stopped responding both SDcard slot as the USB port. I tried by all means go back to the stock mod but no way to do it since it seems not to find the SD.
In addition, reviewing the tablet with the file manager seems to be nothing in the internal storage (or folders or files). I´ve tried to connect with my computer using the mini usb port but I can´t.
Could anyone help me to recover my Folio????
Thanks and sorry for my english but It´s rusty
Try removing the battery for at least 5 minutes or so.
Hi Nemo0815, thanks for your response. I have removed the battery for half an hour and no change has happended.
Cheking the Folio in the device storage settings I have found that the total space in the internal storage is 0.00B and I don´t know where is the storage space.
Regards.
this happened once for me too, i just removed the battery, waited 30secs while holding power button down, so i could drain it for all remaining power..
inserted battery and all was ok, and usb was working again.
looks like he's having the filesystem-not-mounting bug.
Hi Dexter_nlb, I have tried your suggestion and the problem is still there.
I´m thinking if the problem could be in relation with the missing storage capacity.
Thanks.
pasting from first post of foliomod thread:
V0.0+ Generic format internal storage for all mods (so far) here, only needed if you got internal storage problems.
Rename downloaded patch to update.zip and install using recovery.
see if that one helps.
uh.. silly me... you have no way of getting it on there :S
you could try to remount using ADB, but i have no clue on how.. it should be somewhere in the foliomod-thread though.
Hi kepler1982, problem is the Sdcard slot don´t work.
Thanks
Rutherfor said:
Hi kepler1982, problem is the Sdcard slot don´t work.
Thanks
Click to expand...
Click to collapse
read my updated post
Rutherfor said:
Hi kepler1982, problem is the Sdcard slot don´t work.
Thanks
Click to expand...
Click to collapse
you can always reach it with adb and a folioMod installed, through recovery..
so if you can install adb (android sdk tools) + the proper driver, you can at least login and see what is wrong..
but if a sdcard slot is not working at all, that can also be your sdcard not supported, many others has the "16GB" problem using NTFS formatted cards.
make sure the sdcard is fat32 formatted, make sure you put a "update.zip" in the root, when recovery should try and find it..
Hi kepler and Dexter. I´m installing SDV but I never used it before. Some help with this tool are welcomed.
Thanks
Hi guys im thinking of buying this device... but are there many problems with it? Can you acess the android market yet?
olyloh6696 said:
Hi guys im thinking of buying this device... but are there many problems with it? Can you acess the android market yet?
Click to expand...
Click to collapse
Yep maybe it's better for you to have a look in the foliomod topic, in the android dev. section. there you can read what is already possible
killerbie said:
Yep maybe it's better for you to have a look in the foliomod topic, in the android dev. section. there you can read what is already possible
Click to expand...
Click to collapse
Thanks mate , sorry about not checking!
(BTW my thanks limit is full) Sorry
any answers?...please
Hi
I just updated to 1.3d and now have the same problem...cant read sd-card or usb, shows 0.00 mb of space on the "main" memory. Cant make new directory......well can do anything except using the sd-card and usb.
Have tried to take the battery out in both short and long time...nothing helps.
I hope someone can help....maybe Dexter I use the Folio to read cartoons and watch video..but now I cant get anything new on it
best regards
showdogs
come on
Noone has an answer?????really need some help.
showdogs said:
Noone has an answer?????really need some help.
Click to expand...
Click to collapse
read the wiki's opened, those are there to help in such cases..
Hi, I had this problem once and I solved it like this :
1. Extract SD card.
2. Wipe your device, with the blue screen etc
3. Then install FolioMod 1.3d
For me it works, but yes i know all your data will be gone after this...
By the way, thank so much to you Dexter who transform my Folio in a great device. Keep going on !
Same problem
Hi, I have the same proble and symtoms are:
· No sdcard (neither internal nor external). In this state, update fails, because external SD card can't be reached. I've tried FolioMod13d, FolioStock and File system format, but they fail.
· Tablet sometimes starts, but you can't do anything, because neither internal storage is not available, nor external.
· Cannot reach tablet through ADB, because USB link cannot be stablished.
· Have tried extracting battery, pushing on/off button, internal "reset" pin point, putting a piece of paper, tighting screws... no result
· Sometimes, when starting, starts vibrating and keeps all time like that, untill you stop the device.
· And sometimes, tablet even doesn't start, you get only black screen. Other times, you got start screen, but flashing "Android" does not appear.
All things had been tryed on full battery and low battery. Non starting problem appears often when low battery.
Sugestions?
I have to say that your Folio seems to be be very capricious, I never had so much problem with mine.
If you can't switch it on and if it's still cover by warranty try to bring it back to your seller.
Sorry to be unable to help you...

Problem downloading applications on LG P506.

So, I've been unable to find any threads on this so I don't know if this is a common problem or not. My phone is rooted but I'm not quite sure if I'm using a mod, if I am it's a clockwork mod or something, I honestly don't remember what I used to mod it cause it was months ago. Anyways, I'm having problems downloading certain applications from the Google Store. It downloads it then when it's about to install it gives me an Error saying, "Couldn't install on USB storage or SD card" and it only does this with certain apps, I'm able to download and install or update a lot of applications but it only does this to certain apps, I've tried turning my phone on and off, that does nothing, I would turn off my phone and take everything out but I'm not quite sure if that would work either.
I was wondering if there's a solution to this because I'm trying to download a new theme for my GO Launcher EX and it keeps telling me I cannot download it, it's done it to games that I've had before too, it's really weird.
Glad to know that none of you can help me.
Sent from my LG-P506 using XDA
AfflictedMortal said:
So, I've been unable to find any threads on this so I don't know if this is a common problem or not. My phone is rooted but I'm not quite sure if I'm using a mod, if I am it's a clockwork mod or something, I honestly don't remember what I used to mod it cause it was months ago. Anyways, I'm having problems downloading certain applications from the Google Store. It downloads it then when it's about to install it gives me an Error saying, "Couldn't install on USB storage or SD card" and it only does this with certain apps, I'm able to download and install or update a lot of applications but it only does this to certain apps, I've tried turning my phone on and off, that does nothing, I would turn off my phone and take everything out but I'm not quite sure if that would work either.
I was wondering if there's a solution to this because I'm trying to download a new theme for my GO Launcher EX and it keeps telling me I cannot download it, it's done it to games that I've had before too, it's really weird.
Click to expand...
Click to collapse
Try creating the symlink for cache\download folder on your system partition
How might I do that?
Sent from my LG-P506 using XDA
DaMorte said:
How might I do that?
Click to expand...
Click to collapse
May be this could help:
MarketFix
I also had this problem when i am new to android.i definitely know that u don't use any aap 2 sd script and use default app2sd.go to your sd card(do it in pc) then go to folder .android-secure and delete a file (i don't remember the name of file)which extension is different of all file.
The market fix thing don't work. And the only app2sd app I have is with android assistant app.
Sent from my LG-P506 using XDA
Ok go to sd card then .android-secure and delete file "smdl2temp".do it in pc not in phone.
Thank you! It worked!
Sent from my LG-P506 using XDA

[Q] Per HTC I have unique unknown issue - help?

When I install apps on my device and move them to phone storage (/mnt/sdcard/ i believe as apps can no longer be moved to the external sd), if I restart the device any application that has been moved is gone. The icon is still there but when I select it I get a message that says "application is not installed." Verizon & HTC both told me it was an unknown issue - but it's now happened to me on 2 consecutive devices, both of which I've done a factory data reset on, and the second time I also wiped my external sd card.
Any ideas? I'd love to know if this is something I'm doing with my settings, or if my google profile is corrupt, or if this has happened to anyone other than me. Would rooting help? That's the next step anyway just to see (or S-OFF?) Thanks in advance for any responses.
Device is HTC Droid Inc. 4G / ADR6410LVW / not rooted
mdsav said:
When I install apps on my device and move them to phone storage (/mnt/sdcard/ i believe as apps can no longer be moved to the external sd), if I restart the device any application that has been moved is gone. The icon is still there but when I select it I get a message that says "application is not installed." Verizon & HTC both told me it was an unknown issue - but it's now happened to me on 2 consecutive devices, both of which I've done a factory data reset on, and the second time I also wiped my external sd card.
Any ideas? I'd love to know if this is something I'm doing with my settings, or if my google profile is corrupt, or if this has happened to anyone other than me. Would rooting help? That's the next step anyway just to see (or S-OFF?) Thanks in advance for any responses.
Device is HTC Droid Inc. 4G / ADR6410LVW / not rooted
Click to expand...
Click to collapse
this sounds like your sd card is on its way out. have you tried a different card to see if its the problem? Is said card formated FAT32??
synisterwolf said:
this sounds like your sd card is on its way out. have you tried a different card to see if its the problem? Is said card formated FAT32??
Click to expand...
Click to collapse
i tried deleting the external card via the phone's data reset mechanism, but haven't tried a different card yet - I didn't think that could be the issue because the apps are moved to "phone storage" not the external sd, but i will try that next.
how do i know if it's FAT32? i saw this thread for formatting and will do when i get home, but is there a way to check using the phone?
mdsav said:
i tried deleting the external card via the phone's data reset mechanism, but haven't tried a different card yet - I didn't think that could be the issue because the apps are moved to "phone storage" not the external sd, but i will try that next.
how do i know if it's FAT32? i saw this thread for formatting and will do when i get home, but is there a way to check using the phone?
Click to expand...
Click to collapse
idk how to check via phone, might have an app for it.
but when you move app to sd it adds some data to .android folder that is stored on the external SD card.
try pulling everything off the card and put it on the pc, format via windows pc, then put the stuff back and try it out. if you can get a different card and try that.
I am rooted and am running CyanogenMod (0717) and my apps sometimes just disappear. I have noticed with one app in particular. My Play Music app seems to just disappear off the face of the earth (metaphorically speaking). I thought to myself, "Hmm, maybe I just uninstalled it by accident.". Because I have done some pretty crazy things while I was asleep or just plain old being me. I went to the Play Store and found it on there and I noticed that the Play Store said it wasn't installed. I went and tried to install it. I got an error code (-24). I went and researched it and it actually never disappeared. (Well kind of didn't) I went into /data/data/ and found it sitting right there. The folder to the application was still there, but it appears that the OS lost track of it. It almost seems as if it forgot it was there. (But of course that is almost impossible for a machine that is coded to do something cannot possibly forget like that. The error code I received was saying that the app folder existed and couldn't be overwritten. Sorry if I invaded in this thread, but it is just similar experience. Did you try and reinstall the missing apps and see what happened? Did you get an error code like I did? And I am assuming you are on 4.0.4 (stock) OS, yes?
vazersecurity said:
I am rooted and am running CyanogenMod (0717) and my apps sometimes just disappear. I have noticed with one app in particular. My Play Music app seems to just disappear off the face of the earth (metaphorically speaking). I thought to myself, "Hmm, maybe I just uninstalled it by accident.". Because I have done some pretty crazy things while I was asleep or just plain old being me. I went to the Play Store and found it on there and I noticed that the Play Store said it wasn't installed. I went and tried to install it. I got an error code (-24). I went and researched it and it actually never disappeared. (Well kind of didn't) I went into /data/data/ and found it sitting right there. The folder to the application was still there, but it appears that the OS lost track of it. It almost seems as if it forgot it was there. (But of course that is almost impossible for a machine that is coded to do something cannot possibly forget like that. The error code I received was saying that the app folder existed and couldn't be overwritten. Sorry if I invaded in this thread, but it is just similar experience. Did you try and reinstall the missing apps and see what happened? Did you get an error code like I did? And I am assuming you are on 4.0.4 (stock) OS, yes?
Click to expand...
Click to collapse
Ok so we're going to go deep and nasty with this here. So far you've ruled out rom based issues since you've moved from the stock RUU to CM10.1nightly(I suggest running mdmowers builds honestly). I too had a weird issue with getting apps to move from "internal" to "phone" storage(both are internel to the phone, just different partiitons). The next few things are based on my dealings with embeded linux and flash hardware.
First are you using the SDcard partition swap patch supplied by jose51197? If so, this could be a wacky thing where the linkings are going bad because of a failing SDcard and that could be your problem.
Secondly, are you runnign out of space in the /mnt/secure/asec and /data/ partition and your phone is doing wacky things because of this? Check by plugging your phone into a computer with ADB installed on it and do "./adb shell df /data" and "./adb shell df /mnt/secure/asec". If they report very little space, usually apps start failing silently because they've got no space to write their added data.
If neither of these things are the case, then its the phones internal flash memory that is failing. This does happen, usually though only because of excessive writting and deleteing things(app churn, text messages with auto delete on, testing multiple roms) from the internal memory, and can only be dealt with by getting a new phone.
Best of luck.
---------- Post added at 09:55 AM ---------- Previous post was at 09:52 AM ----------
mdsav said:
When I install apps on my device and move them to phone storage (/mnt/sdcard/ i believe as apps can no longer be moved to the external sd), if I restart the device any application that has been moved is gone. The icon is still there but when I select it I get a message that says "application is not installed." Verizon & HTC both told me it was an unknown issue - but it's now happened to me on 2 consecutive devices, both of which I've done a factory data reset on, and the second time I also wiped my external sd card.
Any ideas? I'd love to know if this is something I'm doing with my settings, or if my google profile is corrupt, or if this has happened to anyone other than me. Would rooting help? That's the next step anyway just to see (or S-OFF?) Thanks in advance for any responses.
Device is HTC Droid Inc. 4G / ADR6410LVW / not rooted
Click to expand...
Click to collapse
Which app are you trying to move first off? Have you moved them to SD successfully on other devices, if you have access to them?
vazersecurity said:
I am rooted and am running CyanogenMod (0717) and my apps sometimes just disappear. I have noticed with one app in particular. My Play Music app seems to just disappear off the face of the earth (metaphorically speaking). I thought to myself, "Hmm, maybe I just uninstalled it by accident.". Because I have done some pretty crazy things while I was asleep or just plain old being me. I went to the Play Store and found it on there and I noticed that the Play Store said it wasn't installed. I went and tried to install it. I got an error code (-24). I went and researched it and it actually never disappeared. (Well kind of didn't) I went into /data/data/ and found it sitting right there. The folder to the application was still there, but it appears that the OS lost track of it. It almost seems as if it forgot it was there. (But of course that is almost impossible for a machine that is coded to do something cannot possibly forget like that. The error code I received was saying that the app folder existed and couldn't be overwritten. Sorry if I invaded in this thread, but it is just similar experience. Did you try and reinstall the missing apps and see what happened? Did you get an error code like I did? And I am assuming you are on 4.0.4 (stock) OS, yes?
Click to expand...
Click to collapse
ive seen this happen before when i move apps to sd and wipe android secure when updating roms. Is the app installed on the sd card?
synisterwolf said:
ive seen this happen before when i move apps to sd and wipe android secure when updating roms. Is the app installed on the sd card?
Click to expand...
Click to collapse
jiggz88 said:
Ok so we're going to go deep and nasty with this here. So far you've ruled out rom based issues since you've moved from the stock RUU to CM10.1nightly(I suggest running mdmowers builds honestly). I too had a weird issue with getting apps to move from "internal" to "phone" storage(both are internel to the phone, just different partiitons). The next few things are based on my dealings with embeded linux and flash hardware.
First are you using the SDcard partition swap patch supplied by jose51197? If so, this could be a wacky thing where the linkings are going bad because of a failing SDcard and that could be your problem.
Secondly, are you runnign out of space in the /mnt/secure/asec and /data/ partition and your phone is doing wacky things because of this? Check by plugging your phone into a computer with ADB installed on it and do "./adb shell df /data" and "./adb shell df /mnt/secure/asec". If they report very little space, usually apps start failing silently because they've got no space to write their added data.
If neither of these things are the case, then its the phones internal flash memory that is failing. This does happen, usually though only because of excessive writting and deleteing things(app churn, text messages with auto delete on, testing multiple roms) from the internal memory, and can only be dealt with by getting a new phone.
Best of luck.
---------- Post added at 09:55 AM ---------- Previous post was at 09:52 AM ----------
Which app are you trying to move first off? Have you moved them to SD successfully on other devices, if you have access to them?
Click to expand...
Click to collapse
No they aren't installed on the SD card and I haven't seen it happen for a couple days. But in response to jiggz88, by apps failing silently, do you mean they open and they close suddenly without notice? Or that they just don't exist. I was using the unofficial mdmower builds when CyanogenMod was going through some rough times and apps such as Play Music would close suddenly without notice. Especially when you entered My Library or Radio on it. Is that what you were referring to? Or just not showing up at all in the installed apps (or whatever).
vazersecurity said:
I am rooted and am running CyanogenMod (0717) and my apps sometimes just disappear. I have noticed with one app in particular. My Play Music app seems to just disappear off the face of the earth (metaphorically speaking). I thought to myself, "Hmm, maybe I just uninstalled it by accident.". Because I have done some pretty crazy things while I was asleep or just plain old being me. I went to the Play Store and found it on there and I noticed that the Play Store said it wasn't installed. I went and tried to install it. I got an error code (-24). I went and researched it and it actually never disappeared. (Well kind of didn't) I went into /data/data/ and found it sitting right there. The folder to the application was still there, but it appears that the OS lost track of it. It almost seems as if it forgot it was there. (But of course that is almost impossible for a machine that is coded to do something cannot possibly forget like that. The error code I received was saying that the app folder existed and couldn't be overwritten. Sorry if I invaded in this thread, but it is just similar experience. Did you try and reinstall the missing apps and see what happened? Did you get an error code like I did? And I am assuming you are on 4.0.4 (stock) OS, yes?
Click to expand...
Click to collapse
that's definitely different from my issue. Play Music has never been one of the apps that disappears because I can't move it to phone storage partition at all. also not that error code, it only tells me "application is not installed" nothing else. by checking available memory it doesn't appear that the apps actually get uninstalled as no more space is available after they are magically uninstalled, it's just that the system no longer recognizes that they're there. yes stock 4.0.4 OS. when i reinstall the "missing" apps they reinstall and work just fine until the device reboots (which has happened 3x in the last 24 hrs) and then they are "gone" again. hoping to try reformatting ext sd card tonight or tomorrow if i can finish enough work first; if that doesn't work will root.
mdsav said:
that's definitely different from my issue. Play Music has never been one of the apps that disappears because I can't move it to phone storage partition at all. also not that error code, it only tells me "application is not installed" nothing else. by checking available memory it doesn't appear that the apps actually get uninstalled as no more space is available after they are magically uninstalled, it's just that the system no longer recognizes that they're there. yes stock 4.0.4 OS. when i reinstall the "missing" apps they reinstall and work just fine until the device reboots (which has happened 3x in the last 24 hrs) and then they are "gone" again. hoping to try reformatting ext sd card tonight or tomorrow if i can finish enough work first; if that doesn't work will root.
Click to expand...
Click to collapse
Alright sorry for bloating your thread. Hope you get your problem fixed as I haven't ever experienced this issue.

Need help - Insufficient storage available - whatsapp + CyanogenMod

Hi there,
I'm running cyanogenmod 11 on my s3 and I'm having difficulty updating/installing whatsapp. I had whatsapp installed and was told I needed to update the app otherwise it'd stop working. I didn't update in time and sure enough it stopped working. I tried to update the app to continue using it but it said I had insufficient storage available. I've got plenty of storage space on both my SD (internal) and external cards and I've checked every partition and there's lots of space. The issue does not seem to relate to lack of space.
Since then I've tried everything to get it working, first uninstalling the app and reinstalling, deleting everything manually through root explorer, then wiping the cache and davik cache, odexing all my apps and then removing all the odex files through lucky patcher. Nothings worked. Unfortunately it doesn't let me use lucky patcher troubleshoot which I've heard works. Everytime I press on troubleshoot in lucky patcher it says I need to update busybox and install supersu, which I've done plenty of times to no avail.
Please can anyone help out. I'm fearing that I'm going to have to restore everything. If anyone knows how to get the troubleshoot in lucky patcher working or just fix my whatsapp issue all together that'd be great. Thanks!
Can anyone help with this?
Thanks.
Have u tried to reboot ur phone?
Jumaqidi said:
Have u tried to reboot ur phone?
Click to expand...
Click to collapse
Yeah of course. I've had to reboot plenty of times but nothing I've tried so far has worked.
kesteral said:
Can anyone help with this?
Thanks.
Click to expand...
Click to collapse
Did you do a hard reset?
verny94 said:
Did you do a hard reset?
Click to expand...
Click to collapse
Not yet. I'm trying to avoid that if possible because I'm currently abroad and away from my computer. A hard reset would put me back onto stock wouldn't it? Is there any other solution out there?

how to test flash mem in p780? 'no space left' when installing apps

hello,
I am using third p780 and I have similar problem in each one. As that last one comes from trusted source I would need to check it.
I am using AOSP fw now and I havent done any changes/restores/resets from the last year when I have configured phone. But in last time I see that I cant install more than 10-15 little apps,
from the bigger ones I have found gmail, chrome and I would like to install more than few little apps (<50MB).
Is there any possibility to check the andoid flash for 'bad sectors' ? I have heard long time ago that when I need to uninstall apps to install new ones that could be a syndrome of getting flash failures. My main storage was set to SDcard which is sandisk extreme 32gb microsd card - but I have seen that apps was installed to phone storage by default. I am pretty sure that the sd card is healthy.
How can I check that(phone storrage) ? Maybe in ADB mode? Maybe there is any app for that?
regards
bump?
bump?
xysen0 said:
hello,
I am using third p780 and I have similar problem in each one. As that last one comes from trusted source I would need to check it.
I am using AOSP fw now and I havent done any changes/restores/resets from the last year when I have configured phone. But in last time I see that I cant install more than 10-15 little apps,
from the bigger ones I have found gmail, chrome and I would like to install more than few little apps (<50MB).
Is there any possibility to check the andoid flash for 'bad sectors' ? I have heard long time ago that when I need to uninstall apps to install new ones that could be a syndrome of getting flash failures. My main storage was set to SDcard which is sandisk extreme 32gb microsd card - but I have seen that apps was installed to phone storage by default. I am pretty sure that the sd card is healthy.
How can I check that(phone storrage) ? Maybe in ADB mode? Maybe there is any app for that?
regards
Click to expand...
Click to collapse
Hi.
I have not found any software to do what you want.
Maybe sp flash tool can do that.
But... i have changed my P780 because of this space problem.
Try one MIUI, Older MIUI and see if in that firmware you can install more then 15 apps.
I do not think this is some hardware problem. In my opinion the small storage chipset is the problem.
Good Luck.

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