You need the combination firmware for the phone, this is specific to build number of the device, from there you can bypass google lock, access settings, enable OEM unlock, and factory reset device, then flash stock firmware. wa-la...no more google FRP lock ;)
If you know the password of gmail account then you can delete gmail account from setting > account > gmail account then select remove or delete account and then enter password or your gmail account.
or perform factory reset and select the option wipe data / factory reset. but i dont think this can unlock at&t samsung mobile. you can also generate unlock code from your mobile imei number.
You need to flash your mobile and delete everything on your at&t samsung mobile. for that you first root your mobile and then flash rom as per your samsung mobile.
How to Network Unlock Att Mobile
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Unlock at mobile for samsung galaxy...
SOURCE: samsung galaxy android unlock..cannot unlock my
Hi, I have a couple of idea for you to try.
1) Log in to your google account on your pc, the same account you registered for your phone
2) After logging in look at the top right corner of your inbox/email page, it would say your google username. Like say if you name is John, and you have a google id thats registered to your galaxy s as , [email protected]. Now this google id on the top right corner of the page would be displayed as [email protected]
3) Type in the google id, thats visible on the right hand top corner of your page (like [email protected]) into your galaxy s handset locked page, and type in the password.
TADA AND YOUR ON TO THE NEW SCREEN TELLING YOU TO PUT IN ANOTHER PATTERN.
or theres this one:
Take out the battery, the sim card, and the SD card leave the phone for 2 to 3 hours like that.. Put everything back in and boot up the phone.. This should work.
You could try this instead of waiting 3 hours, just remove battery and press power on switch for 20 seconds but this may not work.
or if you've tried everything, the only other way would be to take it to a Samsung mobile phone shop.
or do a factory reset:
THIS WILL ERASE ALL YOUR DATA THOUGH
Go into recovery mode - vol up & home & power. Once in the menu, select factory reset.It may take you a couple of attempts to get to the recovery mode but it does work, just keep trying.
Regards
Mike
SOURCE: my samsung galaxy 5 is locked. i tried putting
you will have to delet then reset android again.
SOURCE: samsung galaxy s mobile completely
You can do a complete reset if you want and have no other option(this will erase all your data). To do this follow these steps.
Scroll to wipe data/factory reset using the volume buttons. to select it press the home button
SOURCE: i forgot my google account on my samsung galaxy gt-s5360 that's why i cannot unlock it
i cannot open samsung galaxy y GT s5360. i forgot my google account and passward
SOURCE: How to Restore Data from Backup to Samsung Galaxy S8/S8+?
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How to Restore Data from Backup to Samsung Galaxy S8 S8
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