Hi!
I'm from Peru, about three months ago I bought an S22+ 256gb version through a reseller here in my country (official Samung store only sells the 128gb vairant). Since I was not receiving the Android 13 update I decided to check if I could do it manually, after following some tutorials I ended up in this deadspot, turns out my phone has this weird CSC code that I can't find anywhere else on the internet.
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I don't know if it's necessary, but I'll provide some info about my phone when i received it:
It had AT&T stuff inside the box, as well as an sticker on the back of the box, at first i thought it was a locked phone, but it didn't had any proprietary apps. Everything was sealed, phone was clearly new.
While browsing the web, i found this page that let's you check if your phone IMEI was blacklisted, I cheked mine and it has two IMEI, one is blacklisted and one is not. I can use it to make and receive calls as well as use the LTE with my local service provider.
I'm fairly new to this whole "unlocked phone" thing, so my question is... Did I screwed myself up by buying an AT&T stolen/contrabanded phone from the reseller?, or is there a way to update my phone to Android 13 manually without risking bricking it forever.
If some of you guys can help me figure this out, that would be amazing, thanks!
You have a US model. I think the applied CSC is T-mobile but I'm not sure. You can use this tool: https://samfw.com/blog/samfw-frp-tool-1-0-remove-samsung-frp-one-click Under adb commands get a list of CSCs, see if the one you want is there. Then you can go back to the tool's main screen and change your CSC. Takes 10 seconds + a reboot, no data loss. Worked for me both on my Tab S8+ and S22+. Since your CSC is not part of the OXM package I'm not really familiar with the options you'll get on the list. I think XAA is good, it's listed online as USA unbranded. But I'm not from the US so I'm not sure what will have the fastest updates.
Edit: I just saw you have one IMEI blacklisted. Yeah it's probably a bit shady... Not sure if it had any further consequences.
Related
I've bought this Coolpad 7295 phone for less than three days from China.
It seems that I couldn't flash my phone back to the state where I could get the service for calling the first day.
After the second rom flashing with my flash tool. I kind of formated the Yl-parames and NVRAM section of the phone.
I don't know these two mean! Could someone explain how they work? Are they related to the hardware or the motherboard of the phone?
After the wrong formatting action, my phone could not make any calls. (But everything works, and network works also. And later I flashed many roms, all of them work, just no signal)
So the third picture shows that this device has a different partition compared to the most smartphones in the hardware called "YL-parames".
My friend who is good at making custom roms in Taiwan said I might accidentally screw up with the hardware partition.
I just want to know with this problem appearing, is there any other way that I could get my signal back?
I've tried several methods like rewriting IMEIs, reinstalling the official roms, but none of them work.
Or should I just send it back to the dealer to get it fixed? (I'm doing it right now...)
Just want to know in case the phone is back, how should I operate this flashing tool because I'm really a tech-savy
1) The first picture represents what i chose for the outcome of no signals later on.
2) The next one is its interface
3) The next one is the official flashing tool, but I still can not flash the CPB provided by the official since my hardware seems to be broken.
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I would really like somebody to develop the custom rom in the English version for this device, this device is pretty good!
Or is there anybody using this phone as well? It's nice to have someone to exchange info with!!
My situation is as follows:
* Updated my GT-I9300(International) to 4.3 Ireland (Vodafone)
* I haven't lost my imei IMEI.
* I did some checking and discovered that I lost the product code.
* I've done the downgrade for various versions of 4.1.2 already installed various types of modems and nothing.
* I have signal but can not make calls or use data package (3g, 2g, etc.), the errors are: When I try to make a call says: "Not registered in network." In the status bar says "emergency calls only"
EDIT: *I don't have backup do IMEI, but I believe this does not cause problems, since he is intact.
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I'm thinking if I can put a new product code or if I could find mine again and works like before. I don't know the procedure for that and can't find it nowhere.
Does anyone have a solution or any better idea? Please help me! I am in search for 2 days and nothing!
Sorry for my english.
Thank you!
Product code lost what exactly do you mean .
Your product code where exactly that you find it missing .
I'd guess he means his serial number, hence not registered on network.
Only way back, if your IMEI number really matches the one under the battery, is to restore your the efs backup you made before flashing.
There used to be a patch, but it won't work on the newer efs format you now have.
boomboomer said:
I'd guess he means his serial number, hence not registered on network.
Only way back, if your IMEI number really matches the one under the battery, is to restore your the efs backup you made before flashing.
There used to be a patch, but it won't work on the newer efs format you now have.
Click to expand...
Click to collapse
OMG, there is no solution?
I'm accepting any idea, my S III left the technical assistance this week
Take it back to technical assistance and tell them you broke it, there is no fix you can do.
I have a Samsung Galaxy S3, which I have root and unlocked. Its a AT&T SGH-I747
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Phone has been working a treat for sometime and I settled on the "StockMod Rom", see below:
What I didn't know was that the S3 has an issue where the it stops registering the SIM on the network. Note that it did show the correct IMEI number. The first time this happened I just turned it off/on a dozen times and reset the SIM. But the second time this didn't work. So I spend about 10 hours trying to fix it and I only made it worse. One of the options was to reload the modem files which I did from the link below:
http://forum.xda-developers.com/showthread.php?t=1831898
and that made things worse. Now I have no network at all, see screen shot:
Also I note that the above status is showing the phone as model SGH-T999, which is the T-Mobile version. So thats obviously a problem.
Can anyone guide me through how to recover my phone. This would be hugely appreciated as working with my old rooted and rom'd motorola MB860 is tiresome.
Many thanks Darrin.
gomesnz said:
I have a Samsung Galaxy S3, which I have root and unlocked. Its a AT&T SGH-I747
Phone has been working a treat for sometime and I settled on the "StockMod Rom", see below:
What I didn't know was that the S3 has an issue where the it stops registering the SIM on the network. Note that it did show the correct IMEI number. The first time this happened I just turned it off/on a dozen times and reset the SIM. But the second time this didn't work. So I spend about 10 hours trying to fix it and I only made it worse. One of the options was to reload the modem files which I did from the link below:
http://forum.xda-developers.com/showthread.php?t=1831898
and that made things worse. Now I have no network at all, see screen shot:
Also I note that the above status is showing the phone as model SGH-T999, which is the T-Mobile version. So thats obviously a problem.
Can anyone guide me through how to recover my phone. This would be hugely appreciated as working with my old rooted and rom'd motorola MB860 is tiresome.
Many thanks Darrin.
Click to expand...
Click to collapse
Read this: [REF] IMEI / EFS - Know this stuff (i9300) - including "no network"
i have an lg v30 at&t version(h931) and i want to install a custom rom on it. it's still on android 7.1.2 and it does'nt show any updates when i check for updates. how do i go about it?
below is the treble info inf0
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If you're on ATT, it should update, but if it's not I wonder if something is wrong from ATT's side. ATT is being extra difficult about phones that aren't their IMEI, so your device is somewhat more-valuable if it's truly an ATT IMEI.
You cannot get ATT ROMs online, because ATT refuses to release them. If you still want to update, you can Frankenstein your phone (instructions are on this forum) to US998, and then update to whichever version you want. You could also root the phone along the way, if desired. However, you cannot get back to an ATT ROM if you do this. The phone should work fine as US998 ROM on the ATT (and many other networks)... so it should remain functional.
thank you very much.
schwinn8 said:
If you're on ATT, it should update, but if it's not I wonder if something is wrong from ATT's side. ATT is being extra difficult about phones that aren't their IMEI, so your device is somewhat more-valuable if it's truly an ATT IMEI.
You cannot get ATT ROMs online, because ATT refuses to release them. If you still want to update, you can Frankenstein your phone (instructions are on this forum) to US998, and then update to whichever version you want. You could also root the phone along the way, if desired. However, you cannot get back to an ATT ROM if you do this. The phone should work fine as US998 ROM on the ATT (and many other networks)... so it should remain functional.
Click to expand...
Click to collapse
also the project treble compatibility, does it come with oreo?
No treble that I ever saw. There was some effort but it didn't seem to pan out. There may be custom roms with it, but I stayed to stock-based because you will need VOLTE/VOWIFI at some point, which custom ROMs don't have.
Ok thanks
I've got a S7+ 5G with the TMB CSC and I'm having a trouble with the APN settings. Using an activated T-Mobile sim in it shows an APN with most of the correct settings but the "Mobile virtual network operator type" is set to "GID" and has a value set below it. This setting is not enabled when using the SIM in either of my other phones. The tablet connects to 5G but has no connectivity I get a notification to "Sign into network" which opens a webpage that never loads anything.
Trying an At&t SIM in it shows no network connection(cancel symbol where signal bars are) and gives me a few APN options all which have the MNC set to 280, which I've learned from here is for T-Mobile. Trying to change that setting to the proper one "410" either deletes or hides the APN where it is not available.
I have a Visible Wireless(Verizon) SIM which works perfectly with no configuration.
Talking to Tmobile support they confirmed that the device was originally sold by Tmobile and is not network locked. After verifying the software is up to date we exhausted all troubleshooting options and contacted Samsung support who's only options were to have it repaired out of warranty for a fee or trade it in for less than what I paid for it.
The software on this device is very peculiar, there are no carrier apps or carrier splash screen on startup. The tablet came with an older software version (security patch dated sept 2021) and would not download an update on its own. I then factory reset the device, used samfirm to download the latest version and odin flashed all but the USERDATA option. There are still no carrier apps installed and if I didn't know any better I'd say it was a generic CSC.
I'd really like to use this device on At&t, 5G or not, and I suspect there are others who would like a carrier-less experience too. Can anyone tell me whats going on with this thing? I'm happy to provide more info if needed.
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EDIT: After much frustration and a few hours on the phone I've determined that this tablet is defective. Samsung wants me to send it in for repair, but I'm just gonna return it