Problem on lock screen an power on button on Android 4.0.3 (SII) - Galaxy S II Q&A, Help & Troubleshooting

Hi and expect anybody could help me. I recently updated my GT-I9100 by Kies to Android 4.0.3, but that was not working fine. I wipe de cache and reset to factory, but my problem was the same:
I can't lock the phone by any means, is not wotking PIN, Patron, Face, even the slide, I can config but doesn't works. And one thing more, If I push the power button by one sec to show the Options menu (where you sould activate silence mode, plane mode, restart, activate data or power off the phone), the phone is turn off inmediatelly.
I back by a ROM to Android 2.3.4 and works fine, the I installed another ROMs (even one to 4.0.4) and the previos problem is allways the same.
What can I do?, Some body could help me?.:good:
Thanks in advance.

Search for keystr along with whatever other terms you've already been using.

Related

[Q]Task Killer is dangerous?Bootloop,Launcher process has stopped.need help from pro

Hi everybody
I have bought chinese android tablet last month.
Boxchip cougar a10c,similiar as mid/player momo tablet
http://www.bursaandroid.com/product...ghz-hdmi-support-game-3d-os-ginger-bread.html
It's came with android ice cream sandwich 4.0.1+rooted+unlock bootloader
Working flawlessly until i installed task killer app.
I used it,and after several times i killed app,suddenly there is pop up notification came.("Unfortunately Launcher/Market/Gmail/Emulator,and many else has stopped")
I reboot the tablet,but when it turn on,it is just bootloop.I reset again,and it doesnt appear anything on the screen unless the black screen only (with sometime light flashing from the screen).
Then i flashed and format it to gingerbread (2.3.4) rom from their official web
And yes,it is work and finally i can boot into home screen and do any else.
But after several time turning off and on,the problem came back again (bootloop and black screen) but somehow i manage to go to recovery mode and do factory reset+wipe data and cache,but it's useless.
I flashed it again with the same rom,and it's start working.And goes..after a while..the problem back again.
I choose to flash back to ice cream sandwich.When i turn on,then goes the same first problem at the begining
("Unfortunately Launcher/Market/Gmail/Emulator,and many else has stopped").
I reset again then new problem came out.
( Encryption Unsuccessful - Reset Android)
http://forum.xda-developers.com/showthread.php?t=1447303
Rather than use that guide,i choose to flash to gingerbread rom.
Then it's fine,until..you know,reboot the device and back again to bootloop
Is it because the task killer app?Or it is hardware failure?or maybe there is some file that has been deleted/terminated?
This is really frustrating for me,actually this is my present to my mother for her birthday,i'm kinda sad and regret for choosing this tablet,i wish i could turn back in time,maybe i'll choose galaxy/sony tab instead of this one..
Please..i'm really need help here..
Many thanks for sure..
they always worked fine for me, mbbe depends on which app

[Q] 4.0.3 no lock screen

I updated via Kies to version 4.0.3 and now I have no lock screen. I've tried using slide, face, pattern and pin but when I wake my phone it goes straight to the home screen. Holding the power button also doesn't bring up the power options .eg. flight mode, power off and silent, it just turns the phones straight off. I asked Samsung about it and they just said sorry try doing a factory reset, I did and it didn't help. I used odin and went back to stock 2.3.4 (the lock screen worked fine on this version) and then updated again but I still have the same problem.
Country - United Kingdom
Phone - Unlocked
Model - GT-I900
Baseband version - I9100XXLPS
Kernel Version - 3.0.15-I9100XWLP7-CL340913
Build number - IML74K.XWLP7
Any help would be much appreciated.
Thank you
do *2767*3855# couple times, if that doesnt fix, use odin to flash. and after flash do the code once more.
Tartime said:
I updated via Kies to version 4.0.3 and now I have no lock screen. I'e tried using slide, face, pattern and pin but when I wake my phone it goes straight to the home screen. Holding the power button also doesn't bring up the power options .eg. flight mode, power off and silent, it just turns the phones straight off. I asked Samsung about it and they just said sorry try doing a factory reset, I did and it didn't help. I used odin and went back to stock 2.3.4 (the lock screen worked fine on this version) and then updated again but I still have the same problem.
Any help would be much appreciated.
Thank you
Click to expand...
Click to collapse
Sounds like you are either missing your /efs/imei/keystr file, or it is corrupt, or has the wrong setting in it.
Google this: "site:forum.xda-developers.com i9100 ics no lock screen keystr"
You will need root to apply the fix you find. If you don't want to root, you will have to go back to Gingerbread.

How stable is the firmware 4.0.4 for I9100G

Hi
I have a 4.0.3 france firmware installed samsung I9100G.But lately the no lockscreen problem (holding the power button will not bring the options and just shuts the phone off),ringtone and a few other problems started to annoy me really bad.
I'm thinking to install the 4.0.4 german firmware from samfirmware but how stable is it? is there any problem with the 4.0.4 or anything special i should know about it?
i have reflashed the 4.0.3 but those problems didnt go away.
thanks for any helps.
Go back to GB.For me that is more stable than ICS or JB.
Sent from my GT-I9100 using xda premium
If the firmware is official, it should be stable. So, your choice: or GB, or ICS.
burning_afd said:
Hi
I have a 4.0.3 france firmware installed samsung I9100G.But lately the no lockscreen problem (holding the power button will not bring the options and just shuts the phone off),ringtone and a few other problems started to annoy me really bad.
I'm thinking to install the 4.0.4 german firmware from samfirmware but how stable is it? is there any problem with the 4.0.4 or anything special i should know about it?
i have reflashed the 4.0.3 but those problems didnt go away.
thanks for any helps.
Click to expand...
Click to collapse
May be I can help you fix all your 4.0.3 problems instead of messing with your phone.
Post all the problems you are facing, and we'll get started
Swyped from my Galaxy SII
Jokesy said:
May be I can help you fix all your 4.0.3 problems instead of messing with your phone.
Post all the problems you are facing, and we'll get started
Swyped from my Galaxy SII
Click to expand...
Click to collapse
updated to 4.0.4 but nothing changed.
ok here are the problems:
- The power button options are not showing up. if i hold the power button it just closes the phone directly.
- The screen lock doesnt work. Wont lock the screen with any option there.
- The sim lock doesnt work. If i put the sim lock on (put a lock on the sim) the phone starts normally but wont let me call or text. So i have to disable the lock on the sim to make it work normal.
Now these are the problems i have seen so far. When i got the phone it was GB and there was absolutely no prob until updating to ICS. So whats the suggestion, should i give a try on custom firmware ICS or go back to official GB? if you say custom firmware then which one?
burning_afd said:
updated to 4.0.4 but nothing changed.
ok here are the problems:
- The power button options are not showing up. if i hold the power button it just closes the phone directly.
- The screen lock doesnt work. Wont lock the screen with any option there.
- The sim lock doesnt work. If i put the sim lock on (put a lock on the sim) the phone starts normally but wont let me call or text. So i have to disable the lock on the sim to make it work normal.
Now these are the problems i have seen so far. When i got the phone it was GB and there was absolutely no prob until updating to ICS. So whats the suggestion, should i give a try on custom firmware ICS or go back to official GB? if you say custom firmware then which one?
Click to expand...
Click to collapse
It's always recommended to perform a factory reset after upgrading your phone software
Swyped from my Galaxy SII
For me the samsung stock roms are like windows o/s.
GB=xp
Ics=vista
Jb=w7
A crude comparison......but vista was a pile of crap.....
Sent from my GT-I9100 using xda premium
burning_afd said:
updated to 4.0.4 but nothing changed.
ok here are the problems:
- The power button options are not showing up. if i hold the power button it just closes the phone directly.
- The screen lock doesnt work. Wont lock the screen with any option there.
- The sim lock doesnt work. If i put the sim lock on (put a lock on the sim) the phone starts normally but wont let me call or text. So i have to disable the lock on the sim to make it work normal.
Now these are the problems i have seen so far. When i got the phone it was GB and there was absolutely no prob until updating to ICS. So whats the suggestion, should i give a try on custom firmware ICS or go back to official GB? if you say custom firmware then which one?
Click to expand...
Click to collapse
1. If your phone is not rooted, root.
2. Create file /efs/imei/keystr, containing the word ON.
3. Make sure the file has rw-r--r--, or 644 permissions.
4. ...
5. Profit!
ctomgee said:
1. If your phone is not rooted, root.
2. Create file /efs/imei/keystr, containing the word ON.
3. Make sure the file has rw-r--r--, or 644 permissions.
4. ...
5. Profit!
Click to expand...
Click to collapse
ok thank you very much bro. that did it
i first rooted the phone from here: http://forum.xda-developers.com/showthread.php?t=1679778 with the option 2.
then used this little guide:
- Download "Terminal Emulator" app from market
- open it
- type into the command:
su
echo -n ON > /efs/imei/keystr
sync
Go to home, force close your terminal app, shut your screen off, and when your turn it back on your lock screen should? be there.
Obviously you must be rooted the "su" command
And for Signal Problem Simply do not put any pin on your sim ,,,

[Q] Need an Experts help

Help!
I have a unlocked AT&T Motorola Backflip (I know its old) and have been trying to install Android 2.3.7 CyanogenMod7. I go through making a recovery image and use Superuser to do a Wipe All. I then flash from the SDcard the zipped file. Everything appears to work fine. After the reboot the phone comes up in the Home page where I can see the apps ect. The issue is that when the phone goes to sleep or restarts I am at the initial power up screen ( where you would select phone, home or return). It is at this point that the home button fails to do anything. I get a short vibration indicating that the phone recognizes I have pushed the button but nothing else happens. When I restore the recovery image everything works fine.
It appears that the link between the home button and the location of the home page is missing.
I would really appreciate expert advice on how to proceed.
Thanks
Ram
CyanogenMod 7.1 mapping
Thanks for the information. If I may pose a follow-up. Based on my description, do you think there is different mapping with Android 2.1.1 and Andriod 2.3.7?
Also, is there a way to tell what mapping is being used in Android 2.3.7 or CyanogenMod7?
I appreciate you help.

[Q] 10 second lag on lock screen (wake up from sleep)

I hope someone has some experience of this problem, I will do my best to explain in some detail.
It is as out of the box currently running version 4.0.4 firmware.
The history, initially stock firmware version 4.0.3 was running, the USB was a little loose, so I swapped the complete pcb with another S2 I have with a faulty display, to make things a bit more complicated I also put in a 2Gb SD card, when I rebooted the problem appeared, on pressing the power button to wake up, the screen comes on to the lock screen in dimmed mode, and it will stay like it for anything from 5 to 15 seconds, then the screen will go to full brilliance and the screen can be unlocked.
What I have tried, removed and rebooted with sd card removed, swapped back the original USB pcb, and swapped back again as the problem remained, also upgraded to firmware version 4.0.4, that is more or less where I am now, the problem remains.
Have tried researching but unable to find anything relating to this problem, do you have any ideas?
Update:
After further reading, it appears the original firmware may have been customised, because I was not able to get Kies to connect with the device and the CSC was stated as 'unknown', which from what I have read indicates a custom ROM.
Having flashed the stock firmware , on the recovery menu I get still the message #Manual Mode# Appling Multi CSC.... Applied the CSC code: XEU Successfully applied multi CSC, which was also present with original firmware but it never actually applied the code as it stated CSC 'unknown'. but I can now connect with Kies and the CSC code is stated as I9100XEULPA.
Is it normal to get this message at the recovery menu?
Is it a symptom of the same lock screen delay issue?
Solved
I spent 6 weeks trying to fix this, the most aggravating of problems are sometimes very easy to cure when you know the answer!
Disable auto brightness, easy, your long wake up delay has now gone.
Let me know if it helped you.:good:

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