Question A12 How to unlock screen - Samsung Galaxy A12

We got my mother in law a new A12 about a week ago and yesterday she set up a screen lock pin thinking it was for one of her apps and then forgot the pin. Grrrr... How do I recover the phone? My wife is bringing the phone home here so I can figure out how to unlock or factory reset it. Can I reload the firmware using odin to recover the phone?

59ctd said:
We got my mother in law a new A12 about a week ago and yesterday she set up a screen lock pin thinking it was for one of her apps and then forgot the pin. Grrrr... How do I recover the phone? My wife is bringing the phone home here so I can figure out how to unlock or factory reset it. Can I reload the firmware using odin to recover the phone?
Click to expand...
Click to collapse
Format data from recovery stock.

Yeah that is what I figured. What keys to enter recovery mode and reset on the A12?

59ctd said:
Yeah that is what I figured. What keys to enter recovery mode and reset on the A12?
Click to expand...
Click to collapse
Tipically is pressing the PWR + vol up starting from device off, when device starts to vibrate and/or appears the Samsung logo hold the PWR button and keep pressing the vol button

seems like it will not even let me turn the phone off without the password.

59ctd said:
seems like it will not even let me turn the phone off without the password.
Click to expand...
Click to collapse
Press the three buttons simultaneously for 10 seconds or so, when device starts to reboot release the PWR button and keep pressing the volume button.

Thanks that worked. I was able to get into android recovery and format /data.

So even after recovery /data format and restart and even with the SIM removed the phone wants the prior password. MIL has forgotten all the passwords and even her google account I cannot access anymore. Do I need to use ODIN to flash the latest stock A12 FW to somehow erase it's prior password cache?
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59ctd said:
So even after recovery /data format and restart and even with the SIM removed the phone wants the prior password. MIL has forgotten all the passwords and even her google account I cannot access anymore. Do I need to use ODIN to flash the latest stock A12 FW to somehow erase it's prior password cache?
View attachment 5385041
Click to expand...
Click to collapse
I guess that this is Samsung requesting to logging in the last Samsung account registered on the device.
Even if you or something else forgot the password, you can erase it ALWAYS that you are the owner, by entering in your Samsung and probably next to the Google account.

Not sure how to unlock it in setup. I think you are right in that it wants the samsung account password. She reset and forgot the screenlock, gmail, and samsung account passwords. I am about ready to give up on this phone it is 2 weeks and trying unpuck this carp is now taking more time $ than just buying a new A12

59ctd said:
Not sure how to unlock it in setup. I think you are right in that it wants the samsung account password. She reset and forgot the screenlock, gmail, and samsung account passwords. I am about ready to give up on this phone it is 2 weeks and trying unpuck this carp is now taking more time $ than just buying a new A12View attachment 5385155
Click to expand...
Click to collapse
She can check in her Google/Samsung account, she can recover it, probably she set up some kind of two-steps verification or linked this mail to another, or to a some phone number, there are various methods that allow actually recover a password.
The thing is that your issue is addressing to FRP, and this is not allowed in this Forum (although you can find some info about even here). But you have the tip there, the direction where to can guide you.

Thanks. FRP is new to me. I get it why this is not allowed. I'm giving up on this phone. It is amazing that she could basically destroy a new cell phone that is less than two weeks old. $200 paperweight now.

59ctd said:
Thanks. FRP is new to me. I get it why this is not allowed. I'm giving up on this phone. It is amazing that she could basically destroy a new cell phone that is less than two weeks old. $200 paperweight now.
Click to expand...
Click to collapse
If it is in warranty and she has proof of purchase, contact tech support at 1-800-samsung and they'll furnish a shipping label to send it to them and they'll unlock it.

Related

[A510] New discovery for my bricked A510

Hi all,
my A510 was half-bricked since I run the wipe option of CWM (version 5.8.4) last month. It can not boot to system, just hang at 'Iconia tab' logo if I power it on.
I tried to flash the stock recovery back, and flash the update.zip from SD. Every time it just stuck in 1/4 of the progress bar. (even change the zip or SD card)
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Then I chose to install the new CWM for A700 ( version 6.0.1.1 ) and success to enter it. All the options can be run without any stuck, except for the wrong picture. I didn't know what to do, so i did all the wipe and format options.
Then it's getting more terrible, it stuck in Acer logo (first screen) after boot, nothing went further.
Last night I tried the SD flash again. I flashed all the roms from this thread, (I tried all the roms and failed to flash any last time)
To my surprise, one of the rom (1.060.00_EMEA_CUS1) can be flashed!
At first it stuck at 1/4 of progress bar as usual, then after a while it went to the 9/10 very quickly!
It reboot a few secs later and I saw 'updating EBT' at the upper left. Then it reboot again.
At the second-time reboot, I didn't see the 'bootloader unlock mode' shown in first sreen anymore, so it seems I made it?:cyclops:
Then I knew I am wrong, it also hang at 'Iconia tab' logo at last. :crying: oh, come on!
I didn't give up and continued to flash other roms. But i was too tired to sleep.:angel:
When i opened my eyes, i saw my tab entered the system finally!
No, wait! What is it?
title: 'XXXX unsuccessful'(my bad, i can't remember the first word)​content: 4 lines of words, about to tell u the tab need to be reset.
So I hit the 'reset tablet' button at lower right corner, then it reboot to recovery immediately. I saw the whole progress bar became very active and went backwards, and i waited it for half an hour, but nothing changed.
'coz that was midnight, i plugged the charger and went to sleep.
When I get up, it just hang there. damn it.
Anybody know what to do next?
p.s. My tab is EMEA-DE version.
Thanks and Regards,
Jokerzlh
Sorry, but I can't help you...
I just wanted to say this was a very entertaining story. You cracked me up. Good luck with your 510. Keep us updated.
ExtremeRyno said:
Sorry, but I can't help you...
I just wanted to say this was a very entertaining story. You cracked me up. Good luck with your 510. Keep us updated.
Click to expand...
Click to collapse
Thanks, it's an entertaining story indeed, but not a happy ending at last.:crying:
If I save my tab oneday then i'll share the method immediately.
jokerzlh said:
Thanks, it's an entertaining story indeed, but not a happy ending at last.:crying:
If I save my tab oneday then i'll share the method immediately.
Click to expand...
Click to collapse
Try this can't hurt anything else.Screwed mine up tried hard reset seems it wasn't doing anything for like 15 minutes then felt it vibrate then booted up back to factory. http://forum.xda-developers.com/showthread.php?t=1747802.
jessejames44 said:
Try this can't hurt anything else.Screwed mine up tried hard reset seems it wasn't doing anything for like 15 minutes then felt it vibrate then booted up back to factory. http://forum.xda-developers.com/showthread.php?t=1747802.
Click to expand...
Click to collapse
Never try the factory reset when the tab was unlocked, rooted and CWM installed.
help please
I have the exact same problem . I can flash update.zip for WW.GEN1 version successfully but it stops at "Iconia Tab" logo . does any one knows how can i fix this ?
yoooohooo
jokerzlh said:
Thanks, it's an entertaining story indeed, but not a happy ending at last.:crying:
If I save my tab oneday then i'll share the method immediately.
Click to expand...
Click to collapse
hi jokerzlh . i unbricked me tablet . :victory: do this step by step :
1. flash the working rom for yours "EMEA_CUS1".
2. Switch off
3. Press Vol-up 'one dot' + Power
4. If display goes on: Release power but hold vol-up
5. Toggle Lock switch (On>Off>On>Off)
Screen will display:
Erasing Userdata..
Erasing Cache..
then it will pass Iconia Tab Screen and will enter OS...
Waiting for your feedback...

[Q] PLz Help Google logo Stuck

My nexus s m200 ( Korean) phone is stuck with google logo . i was talking on a call when phone hung. I tried to restart it but none of the buttons (Power, Up and Down) worked. so i pulled of my battery reinserted and there it was the horrible google logo sign. I tried every thing i tried to recover by going into recovery but recovery failed then i format wipe user data/ sd card but it didn't resolve my issue i even wiped the cache files as well.....
The Bootloader is locked i have tried everything but it just doesn't unlock... i cannot root from sd card because i have no access on it. i gave it to couple of repairmen but they also failed to understand the issue..........??
I cannot root from any software because the bootloader is locked... i even tried in command by typing "fastboot oem unlock" it does give caution the screen but it when i accept it.. it simply says unlock failed..........??????
i even use Nexus Root Toolkit v.1.6.1 . after unlocking when it reboots the cell phone it again hang up on the google logo. and again i have to pull out the battery inorder to go to bootloader menu... and then it is again locked.. kit has also failed to unlock and resolve my issue...
PLz Helpppppp
What SHould I do...........?? Plz can anyone poit me in the right direction.
Plz help its my first time that i hav bought anything this expensive out of my own hard earned moneu :crying:
Faizan.Waheed said:
My nexus s m200 ( Korean) phone is stuck with google logo . i was talking on a call when phone hung. I tried to restart it but none of the buttons (Power, Up and Down) worked. so i pulled of my battery reinserted and there it was the horrible google logo sign. I tried every thing i tried to recover by going into recovery but recovery failed then i format wipe user data/ sd card but it didn't resolve my issue i even wiped the cache files as well.....
The Bootloader is locked i have tried everything but it just doesn't unlock... i cannot root from sd card because i have no access on it. i gave it to couple of repairmen but they also failed to understand the issue..........??
I cannot root from any software because the bootloader is locked... i even tried in command by typing "fastboot oem unlock" it does give caution the screen but it when i accept it.. it simply says unlock failed..........??????
i even use Nexus Root Toolkit v.1.6.1 . after unlocking when it reboots the cell phone it again hang up on the google logo. and again i have to pull out the battery inorder to go to bootloader menu... and then it is again locked.. kit has also failed to unlock and resolve my issue...
PLz Helpppppp
What SHould I do...........?? Plz can anyone poit me in the right direction.
Plz help its my first time that i hav bought anything this expensive out of my own hard earned moneu :crying:
Click to expand...
Click to collapse
First off, CALM DOWN. The fact that you can see the google logo means your phone isn't dead.
Second, do not pull off the battery when you're stuck. Use Nexus root toolkit if you want to do a reboot. Go to Advanced Utilities, Click "Launch", then click Reboot, Reboot Bootloader, or Reboot Recovery.
Make sure you installed the correct drivers for your specific phone model (m200).
Try using the toolkit and set-up your phone correctly. Use PdaNet drivers. Then try to unlock the bootloader again.
Plz Help
ej8989 said:
First off, CALM DOWN. The fact that you can see the google logo means your phone isn't dead.
Second, do not pull off the battery when you're stuck. Use Nexus root toolkit if you want to do a reboot. Go to Advanced Utilities, Click "Launch", then click Reboot, Reboot Bootloader, or Reboot Recovery.
Make sure you installed the correct drivers for your specific phone model (m200).
Try using the toolkit and set-up your phone correctly. Use PdaNet drivers. Then try to unlock the bootloader again.
Click to expand...
Click to collapse
Yes i did install the PdaNet Drivers and then unlocked it that but still it is somehow locked... The thing is that when i simply turn on phone it stucks with the google logo on it. Then any command that i may type is just ineffective.. Command windows says "Device searching" but if i start the phone in bootloader menu then computer recognizes the device.....?? i just cant figure out what to do.......I have been trying to sort this issue since last monday but all in vein...
So any solution that might entertain this problem
Go to bootloader, flash a custom recovery, then flash a new rom.
ej8989 said:
Go to bootloader, flash a custom recovery, then flash a new rom.
Click to expand...
Click to collapse
Thank you so very much for your concerned and valuable advices.... i Really appreciate it but
PLz can u direct me through some instructions that how to flash a custom recovery and then flash a new room...? What soft wares i will be needing and wht will the procedure........??
amydacus3 said:
Central and elegant location.
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Didn't get you bro.....??

DDKP4 - Phone Resets - Select Locale screen

Hello,
I have my phone on DDPK4. However it randomly resets my data and select Locale screen is displayed. I have tried updating software thrice via a local private service center. But this error will not go. While resetting contacts and messages are lost however application i have installed i.e. Whatsapp doesn't get lost. I m fed up of this and visiting again and again to service guy.
Before that when I tried to update to DDFL2, i screwed up my phone and whole motherboard of phone was replaced at cost of my pocket.
One more thing when i connect this phone to kies it takes 10000000000 mins to get connect but does not get connect actually. Windows system tray shows Hardware ID Missing.
Please help me to resolve this thing. Its been couple of months I m trying and no results :crying::crying:
Anyone ?
Maybe a motherboard problem.
it can be motherboard problem. but how did u try to update by kies or odin? can u get into download mode or recovery mode?give more details.
pratik_s said:
it can be motherboard problem. but how did u try to update by kies or odin? can u get into download mode or recovery mode?give more details.
Click to expand...
Click to collapse
Earlier it was on some Froyo build and was behaving weird like it will delete some messages or few apps or battery will drain all of sudden. One of its battery also got swelled and new genuine battery was purchased. When I tried to update it with DDFL2 via ODIN, its Internal memory got corrupt and it was giving error of "E: rfs format failed" on some mmc block. It was going in Download mode but not recovery mode. I tried various methods from XDA to bring it to life again but it all in vain. So gave this phone to service guy he said motherboard needs to replaced, which I got replaced for Rs.4500.
After posting here one of the day it got connected to KIES but when clicked on Firmware update and initialize, Kies says can not initialize and just before that in system tray a message appeared Hardware ID is missing.
But this issue of getting resetting is still continuing.
I m not getting what issue actually is. Is it hardware or software ?
I have sent it again this piece to service guy.
it is a hardware issue ur internel memory has been corrupted.there are two ways of making ur phone work http://forum.xda-developers.com/showthread.php?t=1644797&page=3 and http://forum.xda-developers.com/showthread.php?p=32245355&postcount=5.hope this helps if not then there is no other way than changing ur motherboard.
pratik_s said:
it is a hardware issue ur internel memory has been corrupted.there are two ways of making ur phone work http://forum.xda-developers.com/showthread.php?t=1644797&page=3 and http://forum.xda-developers.com/showthread.php?p=32245355&postcount=5.hope this helps if not then there is no other way than changing ur motherboard.
Click to expand...
Click to collapse
But motherboard is already replaced. :crying:
Well I got phone back with me now.
Also I can not enter recovery mode at present. I m trying it by pressing first Home + Volume Up, after 2-3 seconds pressing power button and holding them till Recovery is entered but phone does not start. Instead when I release all buttons phone starts normally.
1 more observation, I tried to run OTA (from Settings Menu of Phone) but after logging in to Samsung Account It tries to connect to server but in 4-5 secs it says connection failed. This thing is now frustrating me.
Also I am too afraid to do any software update by ODIN or CWM.
when did u get back ur sl after replacing motherboard.how many days before?and for entering in recovery mode u have to press volume up +home +power button simultaneously.are u able to do a factory reset?
If I understand your update on LF2 must be the reason
With odin 1.85 test only full KPE > http://www.mediafire.com/?8v9zi7apx2rc5o5
Without SD SIM battery 50% cold
You have already flashed the bootloader?
if not you must always put the KPE for Gingerbread
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@LoLaTiOn are u suggesting that we should flash pit files with other files simultaneously with re-partition checked?
Yes full KPE with bootloader from froyo
Without if already gingerbread as the image
Odin 1.85 only !!!
i think u should make a thread on this and should explain how to flash because many people have had the motherboard problem on our sl.i also had the motherboard problem and had to replace motherboard as i was out of warranty and had to pay for it.before i use to flash only pit file by checking the re-partition first and then other files was it wrong.
---------- Post added at 11:59 PM ---------- Previous post was at 11:52 PM ----------
if we get to this stage http://forum.xda-developers.com/showthread.php?t=1735718 can we get our sl working.if yes how to get back.at that time i was able to get in download and recovery mode.thanks for ur reply.
My writing quality does not allow me to make long speeches understandable
I also made ​​the same mistake probably also not the only
I had before blocking with formatting cache because I have not checked the basic differences
not flash the pit only
I will not do anymore for me anyway
I have got my motherboard replaced around a month ago. After that almst on very next day it started acting weird same as it was acting on Froyo. I again ask service guy about this. He would fix all this with firmware flashing. But this cycle have repeated 4-5 times and i m tired of this crap now.
Right now I have left for my lectures hence can not try anything on it. After returning back home in evening I can try something and let you guys know if m able to enter any mode.
Thanks a lot for helping replies.
if the service centre has replaced ur motherboard and if the period is not more than a month then u should ask for a replacement of the motherboard.tell him that the problem is occuring frequently and u want a replacement of motherboard.
I have got it replaced from private service center which is very reputed here in my suburb and have repaired my waterlogged phones which official service guys refused to even tough even on my risk.
Right now phone is with service guy. He is going to use and inspect it thoroughly.
Will update again when I get any update.
Tomorrow evening I will get my phone again in my hand. So from now 18-20 hours to go

Ultimately broken TF300T (XDA is my last hope)

Hello. First of all, forgive me for my terrible english.
Short version: USB Debugging is disabled, no one remembers the unlock pattern to stock lock screen, stock recovery is missing (which mean the factory reset and RCK is not working at all) and (
to make it funnier) bootloader is locked. How can I 1) Unlock the tablet and turn on USB Debugging or 2) Flash stock ROM or at least stock recovery?
Long version: Some years ago, when I was a kid, my parents bought this tablet for my younger sister. It worked great until my dad broke up the screen. I don't remember how he did that, but he did it nonetheless. He bought new screen and then he broke up digitizer (great job dad) and then he lost probably digitizer frame or something like that, no matter. Broken tablet lied down somewhere for years. Since then I grow up, I finished midschool and now I am close to finish college (IT, mainly programming :3). Some days ago all missing parts was somehow found and I am trying to fix that wonderful piece of technology (because it is almost new). The problem is (or rather it is the beginning of problems), my awesome dad bought wrong version of digitizer (G03 instead of G01), and the touch screen is not working. Its fine I said, not knowing what should I do now. I found that this problem can be solved by flashing new driver for touchscreen. Great! But the USB Debugging was disabled. So I needed to enable it, without touchscreen to fix the touchscreen, great! Then the next problem has appeared. How could I control a tablet without touchscreen. I solved that by buying not-a-cheap-usb-otg-adapter-o-thing which is necessary to connect usb mouse. And of course there is another problem. Pattern on lock screen. My sister forgot the pattern so this is dead end for me. I wanted to recover any potential photos on this thing but at this moment I said "**** it, lets do this the simple way". I turned off tablet by changing position of funny hidden switch on motherboard to off and back to on. I hold power with vol down, then I saw a menu with three icons and last of them was "Wipe data". I selected this option only to see lovely red text "unrecoverable bootloader error". This is the moment where I really don't know what to do next. I cant flash stock ROM because of locked bootloader. I also can't turn on USB Debugging because of pattern on lockscreen. I cant remove that pattern, because wipe data doesn't work.
The things I tried:
Multiple fancy patterns with hope I guess correct.
Multiple ways to remove lockscreen
Flash stock rom by "fastboot flash system blop" anyway
Flash TWRP by "fastboot flash recovery twrp.img" anyway
Flashing stock ROM by RCK option anyway
Unlocking bootloader by options meant for other devices like "fastboot oem unlock" and that kind of things
Of course I can't unlock bootloader by Asus app (locked screen) or remove pattern by ADB.
Is there any options that I could try before throwing this amazing tablet to trash? Once again, forgive me for any mistakes, my English should be better if I want to be a programmer
Thank you very much for any kind of help!
Try the steps in this post to install latest factory/stock ROM
https://forum.xda-developers.com/showthread.php?p=44244313
Key steps:
- download correct stock ROM (SKU) for your device from Asus website
- enter fastboot mode
- install appropriate drivers for your OS
Hope that works out for you.
Sent from my Nexus 7 using Tapatalk
Thank you very much for response. I have no idea why this worked this time. I tried this method at least 10 times step by step. At least tablet is now alive and unlocked .
However now is problem with touch screen. Touch firmware version is: ELAN-0000-0000 which is obviously wrong and updating firmware by touch_fw_update just gives bunch of errors:
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Tablet is flashed using US firmware. Maybe I should flash WW version which I'm going to try next and I will see what happen.
There is always an option that touch screen is physical damaged somewhere and just won't work.
Anyway, thanks again for help with solving one problem!

Question I hardbricked my samsung a32 5g .

So my litlle brother played with my phone .When it was doing a software update and somehow turned it off.And now when i try to turn it on it shows me some green dots and then shuts down.
When i am charging it it also shows green dots .If someone could help me thanks in advance.
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VIDEO LINK
download mode or recovery mode doesn't work, it keeps turning on with the green dots on it
I'm afraid that Samsung Support is now your only option, seems like You've tried everything you could do on your own without voiding the warranty. As last resort, try extra dry it since it was in fact left unattended, then try download mode once more after.
NetBos said:
I'm afraid that Samsung Support is now your only option, seems like You've tried everything you could do on your own without voiding the warranty. As last resort, try extra dry it since it was in fact left unattended, then try download mode once more after.
Click to expand...
Click to collapse
Yep, best suggestion for now
Can someone explain what the "green dots" mean?
GalaxyA325G said:
Can someone explain what the "green dots" mean?
Click to expand...
Click to collapse
something to do with corrupt drivers, look at the picture and you will see some green bars
Hold volume up and down plus side key together will take your to download mode don't plug in USB cable
hold v+ v- and side key said:
Hold volume up and down plus side key together will take your to download mode don't plug in USB cable
Click to expand...
Click to collapse
you can't enter download mode without plugging in an USB cable...
my best suggestion is to try to go on download mode and reflash the software using the NAND erase function (refer to my post https://forum.xda-developers.com/t/...ts-functions-explained-noob-friendly.4540331/ )
if you don't succeed, search up "Test Point a32 5g"
Bro, I had the same problem, but mine got bricked when updating via Smart Switch( PC ). The app said it was a new firmware version to be updated, I thought: "Oh, nice, let's update it!", but, bro, it was bad thing, it got a error that something went wrong in the update, so, it was not starting;
Couple of things to know:
The Knox will just get tripped if you flash another recovery, eg: TWRP; to root you need a custom recovery, then we can say that root trips the Knox;
My A326B was OEM LOCKED, and there is no way to unlock it when you don't have access perfectly to android visually saying, you can relax about you data because the encryption of Knox does a good job on protecting your files;
When I tried flashing normally it got the message of failure to write in download mode and so in ODIN as well.
Before doing that consider going to a Samsung Support. Or just ignore this message.
After trying many methods, in case you have some problems in entering the bootloader mode, you can use the "Samsung 300K Tool.exe", it helped me entering my A326B to bootloader mode. After doing many stuff, and many times trying to install the system again, I realized because of the text saying about the bootloader, so a downloaded the exact same version of the firmware, in my case, from Brazil, and I just put in ODIN one file, the BL one, that is, the bootloader one. I got surprised when my smartphone just had awaken from a long journey of trying to relive it and I got impressed, even if all that messy things a tested my data was intact, so, my smartphone booted up working perfectly.
Where to find the firmwares? https://www.sammobile.com/firmwares/
if not, just copy the name of the firmware search it on internet, find somewhere to download.
Try to remember what was the last version( month ) that was installed before the installation or the one that was getting installed.
There's is also a windows app( FRP HIJACKER clicking in softbrick fixer choosing some model there) that can unbrick, or even try, or make you little more towards the door of getting out of this problem. Unfortunately, I could not notice, I was worried that time trying to relive the smartphone and so I don't know if by using this app will trip the Knox.
There's something you must know, I don't know where, when your smartphone got interrupted in installation, in which part of the installation.
Anything I can help you, i'm here.
I didn't know that time that by flashing a custom recovery would trip the Knox, saddddd, but I've learned more things.
Samsung Health, Samsung Pass, Samsung Pay, Samsung Secure Folder, and other apps that use Knox Security Technology will not work if Knox get tripped, and It seems like that google pay don't work with in rooted in this smartphone, even if you use Magisk Zygote.
I said bootloader mode in the post, but it was downloader mode.
Samsung just won't update this guy( A326B ) to Android 14.

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