S7 edge stuck on 28% update for security patch - Samsung Galaxy S7 Edge Questions and Answers

Dear experts here.
From 2 days a new security patch is available for download over the air.
It was downloaded .
I pressed to install and the phone restarts and tried to install while on the blue screen .
The phone restarted before completing the installation and it reboot again and install and stay all the time till 28%.
I can't access the phone.
It remains in the blue screen all the time.
Volume up and power and home doesn't work.
Is there anyway to remove the pending downloaded file to make the phone work again normally?
I need to access my data on internal memory before i make any factory reset to make backup.
Can I reinstall the same firmware on the phone without deleting my data.?
Any help please

xperia9.4 said:
Dear experts here.
From 2 days a new security patch is available for download over the air.
It was downloaded .
I pressed to install and the phone restarts and tried to install while on the blue screen .
The phone restarted before completing the installation and it reboot again and install and stay all the time till 28%.
I can't access the phone.
It remains in the blue screen all the time.
Volume up and power and home doesn't work.
Is there anyway to remove the pending downloaded file to make the phone work again normally?
I need to access my data on internal memory before i make any factory reset to make backup.
Can I reinstall the same firmware on the phone without deleting my data.?
Any help please
Click to expand...
Click to collapse
Press volume down + power key + home button 7 seconds and try again.
If it fails, I recommend A/S because there is a risk of damage to KNOX.

Gureumi said:
Press volume down + power key + home button 7 seconds and try again.
If it fails, I recommend A/S because there is a risk of damage to KNOX.
Click to expand...
Click to collapse
What do you mean by A/S

xperia9.4 said:
What do you mean by A/S
Click to expand...
Click to collapse
After Service.
You may use Odin if your phone is already tripped knox.
Another way is to use smart switch program. (A/S or this or hard reboot)

Related

[Q] Stuck Android logo only

Hi Folks
My tab only stuck Android logo, ask for password. i enter password then again comes android logo and nothing
I tried hard reset combination. but none worked for me. is there any solution to this problem ?
a solid hard reset combination ? or a rom which will recover my device from this state ?
Any help would be greatly appreciated.
Thanks & regards
subr4t4 said:
Hi Folks
My tab only stuck Android logo, ask for password. i enter password then again comes android logo and nothing
I tried hard reset combination. but none worked for me. is there any solution to this problem ?
a solid hard reset combination ? or a rom which will recover my device from this state ?
Any help would be greatly appreciated.
Thanks & regards
Click to expand...
Click to collapse
Sounds like you'll need to try to do a factory wipe from recovery and then flash a zip of the stock rom (which you'll need to copy to your SD card)
Did forget your own password or buy this one hot?
dottat said:
Sounds like you'll need to try to do a factory wipe from recovery and then flash a zip of the stock rom (which you'll need to copy to your SD card)
Did forget your own password or buy this one hot?
Click to expand...
Click to collapse
Probably not a good idea for him to answer that if it's the latter.
dottat said:
Sounds like you'll need to try to do a factory wipe from recovery and then flash a zip of the stock rom (which you'll need to copy to your SD card)
Did forget your own password or buy this one hot?
Click to expand...
Click to collapse
Thanks for reply
Trying to factory wipe by following some hard reset manual but none worked for me.
No, password i know still i can enter.
Trying to restore with Update or Full package.
Acer_A500_0.000.00_4.017.07_EMEA_CUS7_1311771237783_253e5e46.zip
Acer_A500_0.000.00_4.010.42_EMEA_GEN3_1311244577711_036d89ae New.zip
Tried with this 2 files, but none worked yet.
which file i ve to try from here ?
http://forum.xda-developers.com/showthread.php?t=1113878
??
anyone else ? i m still stuck
Did you try a full wipe of the tablet? Hold down the volume up key and the power button until the tablet vibrates. Release the power button while still holding the volume up key, and slide the screen lock button (next to the volume up key) to the right and then back to the left.
The screen should display 'Erasing Userdata', you can then release the volume key. It should then erase the cache, Acer says it can take 5-10 minutes to complete. The tablet should then reboot, and you may be able to get in from the stock settings.
If the tablets hangs at 'Erasing Cache' for more than 15 minutes, force a power down by holding in the power key. The try the power/volume/lock routine again.
subr4t4 said:
Tried with this 2 files, but none worked yet.
Click to expand...
Click to collapse
What doesn't work exactly? Did you get an error during installation? Or was installation successful but the problem still exists?
ThatGeekGuy said:
Did you try a full wipe of the tablet? Hold down the volume up key and the power button until the tablet vibrates. Release the power button while still holding the volume up key, and slide the screen lock button (next to the volume up key) to the right and then back to the left.
The screen should display 'Erasing Userdata', you can then release the volume key. It should then erase the cache, Acer says it can take 5-10 minutes to complete. The tablet should then reboot, and you may be able to get in from the stock settings.
If the tablets hangs at 'Erasing Cache' for more than 15 minutes, force a power down by holding in the power key. The try the power/volume/lock routine again.
Click to expand...
Click to collapse
Tried exactly same as u said, it shows "Erasing cach before sd update" then it brings recovery icon. nothing........
sc2k said:
What doesn't work exactly? Did you get an error during installation? Or was installation successful but the problem still exists?
Click to expand...
Click to collapse
Installation was 80% but not success........ stuck @ Recovery logo
anyone else with any other idea? m still stuck......
I have the same issues. I have tried installing new roms, and still get the same issues. Any ideas would be great

[Q] i9505 s4 button problems

hi, I have just registered and looking for some help if at all possible,
I have a galaxy i9505 S4 and recently the Home button seems to come and go, and the power button the same, and also the screen keeps lighting up every minute for about 10 secs, if i remove the battery I can restart the phone, and also the home button works to start the phone in factory reset mode, so i feel it might be a software problem rather than hardware.
is there any way to get the phone to reinstall the firmware, as factory reset didnt help
the phone is on orange (EE) UK
thanks for any advice or help given.
jamiet77 said:
hi, I have just registered and looking for some help if at all possible,
I have a galaxy i9505 S4 and recently the Home button seems to come and go, and the power button the same, and also the screen keeps lighting up every minute for about 10 secs, if i remove the battery I can restart the phone, and also the home button works to start the phone in factory reset mode, so i feel it might be a software problem rather than hardware.
is there any way to get the phone to reinstall the firmware, as factory reset didnt help
the phone is on orange (EE) UK
thanks for any advice or help given.
Click to expand...
Click to collapse
Hi.
Can u explain the home button issue and the screen lighting up again? what was the problem?
what firmware are u using?
maanz "L" said:
Hi.
Can u explain the home button issue and the screen lighting up again? what was the problem?
what firmware are u using?
Click to expand...
Click to collapse
hi, thanks for the reply,
the home button just dont work, single click, and holding it in for the task manager dont do nothing either, but if i turn off the phone and hold the home, vol up, and power button, it boots into reset menu fine.
on and off the power button dont work, and i have to remove the battery to restart it.
the screen just lights up every minute for about 10 secs as if it has a notification, but there is nothing there, it drains the battery to empty in about 5 hours.
cheers.
Jamie.
jamiet77 said:
hi, thanks for the reply,
the home button just dont work, single click, and holding it in for the task manager dont do nothing either, but if i turn off the phone and hold the home, vol up, and power button, it boots into reset menu fine.
on and off the power button dont work, and i have to remove the battery to restart it.
the screen just lights up every minute for about 10 secs as if it has a notification, but there is nothing there, it drains the battery to empty in about 5 hours.
cheers.
Jamie.
Click to expand...
Click to collapse
do u have a custom recovery like Philz recovery?
if u do, reboot to recovery, do factory reset and wipe cache.
then (still in recovery), go to advance, wipe dalvik cache.
Reboot yr phone.
See how it goes..
maanz "L" said:
do u have a custom recovery like Philz recovery?
if u do, reboot to recovery, do factory reset and wipe cache.
then (still in recovery), go to advance, wipe dalvik cache.
Reboot yr phone.
See how it goes..
Click to expand...
Click to collapse
I dont have that, the phone is under warantee still so would putting that on void this? I dont want to send it back as they take 28 days, and i need the phone.
so is there any other way?
jamiet77 said:
I dont have that, the phone is under warantee still so would putting that on void this? I dont want to send it back as they take 28 days, and i need the phone.
so is there any other way?
Click to expand...
Click to collapse
If u want to reflash firmware,
First u have to install Samsung kies app on yr PC here:http://forum.xda-developers.com/showthread.php?t=2038555
Then install Odin3 on yr PC here:http://forum.xda-developers.com/showthread.php?t=1728605
Download yr stock 4.2.2 firmware from XDA/Sammobile. (make sure it is in .tar.MD5 format)
After finish downloading yr firmware version, open odin.
In Odin, Make sure that ONLY AutoReboot & F.Reset Time is ticked in Odin options.
Load extracted file (.tar.MD5) as PDA in Odin.
Turn off your phone, press & hold POWER+VOLUME+DOWN buttons until phone boot into Download Mode.
Connect phone to the computer and wait for the drivers to be installed. You will see blue or yellow indicator in left top corner of Odin, with phone connected to port: COM:x
Click START and wait until you see GREEN indicator [PASS], flashing is finished.
Then, it will reboot itself. U can unplug yr USB cable.
That's it.
If u want to remove the warning triangle on boot (for warranty purposes), go here:http://forum.xda-developers.com/showthread.php?t=1494114
Hope I have help u and this is only way to do if u want reinstall yr firmware.
maanz "L" said:
If u want to reflash firmware,
First u have to install Samsung kies app on yr PC here:http://forum.xda-developers.com/showthread.php?t=2038555
Then install Odin3 on yr PC here:http://forum.xda-developers.com/showthread.php?t=1728605
Download yr stock 4.2.2 firmware from XDA/Sammobile. (make sure it is in .tar.MD5 format)
After finish downloading yr firmware version, open odin.
In Odin, Make sure that ONLY AutoReboot & F.Reset Time is ticked in Odin options.
Load extracted file (.tar.MD5) as PDA in Odin.
Turn off your phone, press & hold POWER+VOLUME+DOWN buttons until phone boot into Download Mode.
Connect phone to the computer and wait for the drivers to be installed. You will see blue or yellow indicator in left top corner of Odin, with phone connected to port: COM:x
Click START and wait until you see GREEN indicator [PASS], flashing is finished.
Then, it will reboot itself. U can unplug yr USB cable.
That's it.
If u want to remove the warning triangle on boot (for warranty purposes), go here:http://forum.xda-developers.com/showthread.php?t=1494114
Hope I have help u and this is only way to do if u want reinstall yr firmware.
Click to expand...
Click to collapse
hi, I have just done upgrade and initialisation from Kies, and it redownloaded and reinstalled the latest software, took ages, and the button is still not working, so i guess it will have to go to the shop.
cheers for all your help, the button only works before the OS has started, as i can get into recovery menu.
thanks again.
mechanical or hardware problem
That seems pretty much a mechanical problem (button broken) or hardware issue (shortcut somewhere? could explain the screen problem...)
jamiet77 said:
hi, I have just done upgrade and initialisation from Kies, and it redownloaded and reinstalled the latest software, took ages, and the button is still not working, so i guess it will have to go to the shop.
cheers for all your help, the button only works before the OS has started, as i can get into recovery menu.
thanks again.
Click to expand...
Click to collapse
droggen said:
That seems pretty much a mechanical problem (button broken) or hardware issue (shortcut somewhere? could explain the screen problem...)
Click to expand...
Click to collapse
the buttoon does work, but only to get the phone into recovery mode at startup, so physically the button works, just not when the phone is powered into the android os.
Im a bit out of ideas.
jamiet77 said:
the buttoon does work, but only to get the phone into recovery mode at startup, so physically the button works, just not when the phone is powered into the android os.
Im a bit out of ideas.
Click to expand...
Click to collapse
It's a faulty button mate.
You don't need to use the home button to boot to recovery or download mode on the S4.
You can simply press volume up+power (recovery) or volume down+power (downloadmode) no need for home button at all.
This is why you think it works.
Obagleyfreer said:
It's a faulty button mate.
You don't need to use the home button to boot to recovery or download mode on the S4.
You can simply press volume up+power (recovery) or volume down+power (downloadmode) no need for home button at all.
This is why you think it works.
Click to expand...
Click to collapse
Not true, i have this same issue after opening Wanam.
The screen turns on if i press the home button but wont do anything else (exit from an app back to home screen etc)
About to re-flash rom and / or kernel
Edit:
Also
- the lockscreen wont work
- when connected to PC, the filesystem wont show up (used 3 diff usb cables, 2 diff PC's)
FelixCited said:
Not true, i have this same issue after opening Wanam.
The screen turns on if i press the home button but wont do anything else (exit from an app back to home screen etc)
About to re-flash rom and / or kernel
Edit:
Also
- the lockscreen wont work
- when connected to PC, the filesystem wont show up (used 3 diff usb cables, 2 diff PC's)
Click to expand...
Click to collapse
It's very true mate.
YOU DO NOT NEED HOME BUTTON TO BOOT TO RECOVERY, SIMPLE.
Your issue sounds different to the OPs.
If you refer back to his first post, he said his power button doesn't do ANYTHING.
"the home button just dont work, single click, and holding it in for the task manager dont do nothing either, but if i turn off the phone and hold the home, vol up, and power button, it boots into reset menu fine"
Yours works.

[Q] Bootloop, no recovery - how to shutdown the phone

Hello,
I'm on LG G2 Stock Rom on Kit Kat (4.4.2). The phone is rooted but no custom recovery as I just need "root" to run Titanium backup.
Yesterday, I attempted to update the 1 XML file to increase speaker volume. Upon restart the phone will stuck on LG logo and does nothing.
I can access download mode. So now, i'm downloading LG Flash Tool and KDZ file for my phone to flash all back to stock.
The question is now: how do I turn off the phone? Pressing power button will simply restart the phone - it never goes to off.
Another question: if I don't install any custom recovery, is there any stock recovery installed? When I attempted to go to recovery (by pressing volume down + power method), I was presented with Factory reset questions. I clicked OK twice and then Android logo appears (it seems like it's attempting to really do a factory reset) and then phone reboots.
If I can go to stock recovery, I hope I can access the storage inside and redo what I did yesterday.
Anyone can help? Or share some knowledge?
Thanks
The latest software upgrade was installed by using LGMobile support tool. I'm back to stock and finish with ioRoot.
Now, going to use AutoRec to install recovery (better to have custom now, so if this happens again, I have a way to access my phone data).
No answers given but it's no longer urgent now. Still if anyone found a way to off the phone when boot looping other than waiting for battery to run dry, by all means, please reply the thread.
Thanks.
poundesville said:
The latest software upgrade was installed by using LGMobile support tool. I'm back to stock and finish with ioRoot.
Now, going to use AutoRec to install recovery (better to have custom now, so if this happens again, I have a way to access my phone data).
No answers given but it's no longer urgent now. Still if anyone found a way to off the phone when boot looping other than waiting for battery to run dry, by all means, please reply the thread.
Thanks.
Click to expand...
Click to collapse
Unplug the USB cable if it's plugged.
Hold power button for like 30 seconds straight.
To turn off phone ,just push volume down and power button same time for like 7-10 sec, it will be like restart , but keep them pressed until screen shuts off again (it will take less then 1 sec). Thats all
username4this said:
Unplug the USB cable if it's plugged.
Hold power button for like 30 seconds straight.
Click to expand...
Click to collapse
I didn't time 30 seconds, but I did press power button for a long time. Is this method for when you can use the phone? Mine is during boot loop.
jkjambo said:
To turn off phone ,just push volume down and power button same time for like 7-10 sec, it will be like restart , but keep them pressed until screen shuts off again (it will take less then 1 sec). Thats all
Click to expand...
Click to collapse
I can't say for sure now, since I have my phone backed-on. But I sort of press these buttons for a long time at the beginning (when I wasn't really sure how to go to recovery mode). But good to know about this - (for next time ).
thanks both!
Only method i know to completely shut down phone in any situation is what i already wrote in last post.
jkjambo said:
Only method i know to completely shut down phone in any situation is what i already wrote in last post.
Click to expand...
Click to collapse
Agreed.
it happen to me too when I try to install MIUI ROM.
Pull off USB cable and long press power the power button
Thanks. I'll remember this, if I got unlucky and stuck in booth loops.
For now, I installed recovery, so hopefully if this happens, I can still access my internal folder and do the require changes.

Android process media has stopped!!!!

This happens to me also. the problem is that i cannot use my phone anymore. Every time i open the phone the "android process media has stopped" keeps on popping out. Then the next thing i'll do is to press the ok button. After that it pops out again. Then doing it or pressing the ok button several times shifts the screen off my phone to black then i can not use it anymore.
What can i do? pls help me
Thanks :crying::crying::crying::crying:
turn off your phone
press Power and Volume +
==> your phone go to bootloader
press Volume (-) 2 times. to Recovery Mode
press Power.
your phone display an android robot . (if your phone have stock recovery)
then press Power and Volume (+) many times until your phone go to Recovery.
set factory reset (wip data)
set yes.
then reboot system
good luck
VinzNguyen said:
turn off your phone
press Power and Volume +
==> your phone go to bootloader
press Volume (-) 2 times. to Recovery Mode
press Power.
your phone display an android robot . (if your phone have stock recovery)
then press Power and Volume (+) many times until your phone go to Recovery.
set factory reset (wip data)
set yes.
then reboot system
good luck
Click to expand...
Click to collapse
i really want to get the remaining files in the phone's memory. Is there another way for that? factory reset will be the last option.
slasher42k said:
i really want to get the remaining files in the phone's memory. Is there another way for that? factory reset will be the last option.
Click to expand...
Click to collapse
No bud, its the only way or you can flash your phone with PC. And that will make your data erased too...
Sent from my Asus Zenfone2 from XDA - Developer Android app
I had a charging problem on the 6.0 beta and was able to solve it by using adb sideload and reinstalling. It fixed my problem without losing any data. Try it - hey you got nothing to lose at this point right?
slasher42k said:
i really want to get the remaining files in the phone's memory. Is there another way for that? factory reset will be the last option.
Click to expand...
Click to collapse
Use Tethered CWM if you have a locked bootloader, or use TWRP if you have an unlocked bootloader... Do a factory reset from there (CWM or TWRP) which will preserve your internal storage (/data/media)....

[Q] Please can someone help I killed my yotaphone 2

Hello to all here at xda im a new member and im hoping someone can help me,
I recently bought a yotaphone 2 from tinydeals in china and its model
P05-Yota which I think is china model YD-205 or 206
I wanted to upgrade the firmware to the latest firmware and I think I made two big mistakes.
First when I downloaded the yotaflasher software for windows I chose the eu firmware on option 2 and clicked to download it.also I dont think I put usb debugging on my phone.i put my phone into diwnloading mode and connected the phone to my pc.my pc recognised the phone and I clicked on option 1 in yotaflasher to flash mobile.
The flash process started but failed on most of the things it was supposes to get access to, my phone reatarted and now its on constant boot loop which shows the android logo.i can boot phone back into downloading mode but nothink else
I have read that as my phone is in boot loop and can still boot into downloading mode its soft bricked and not hard bricked so im guessing thats good news.
This is my own fault and im not very experienced in all this flashing and I fing yotaflasher hard to understand compared to odin ive used on samsung phones before
Please can anyone help a complete novice to revive his mobile
I would be greatful for any help and instructions and dont know if im allowed to do this on this site so I appologise to moderators if im not, but anyone that can help me get my phone working again I will transfer £20 to their paypal account as I would appreciate this help alot
Im sorry for being a noob and hope to hear from someone soon
Thx
Simon h
Sorry for my very, very bad english.
Try to reboot your phone in recovery mode.
Press power button for a long time (20 - 30 seconds or more) and, as soon as the screen turn off, press and hold the Volume Up + Power button simultaneously for about 10 seconds. Then, choose wipe data and factory reset.
Try several times if that does not work at once.
I made a big mistaske too and I solved the problem but with several attemps.
Good luck !
I appreciate your help
cheynei said:
Sorry for my very, very bad english.
Try to reboot your phone in recovery mode.
Press power button for a long time (20 - 30 seconds or more) and, as soon as the screen turn off, press and hold the Volume Up + Power button simultaneously for about 10 seconds. Then, choose wipe data and factory reset.
Try several times if that does not work at once.
I made a big mistaske too and I solved the problem but with several attemps.
y
Good luck !
Click to expand...
Click to collapse
Just wanted to saythanykyou and appreciate your reply and as soon as I get home I will try and boot into recovery and see how that goes.will update on progress
Again thankyou
simon121simon said:
Just wanted to saythanykyou and appreciate your reply and as soon as I get home I will try and boot into recovery and see how that goes.will update on progress
Again thankyou
Click to expand...
Click to collapse
No problem, I think it's the only solution... but you will loose all your data (I bought my yotaphone from tinydeals too and I killed it too)...
:fingers-crossed:
queation about yotaflasher
cheynei said:
No problem, I think it's the only solution... but you will loose all your data (I aboutbought my yotaphone from tinydeals too and I killed it too)...
:fingers-crossed:
Click to expand...
Click to collapse
Just a quick question, yotaflasher is a software im not familiar with and im not sure if im using it right.
Do I start yotaflasher and then type 2 and enter tochoose region.then type the number for the firmware I want and press enter.then when its finished downloading it seems ro freeze and I cant type any key to start flash so I have to exit software then restart it.
Do I then just type 1 and enter to start flashing phone then thats it or do you have to type proper commands into this software ro get it to work as im not sure if im using it right
I will be home in couple of hrs to test out what you told me
Thx
simon121simon said:
Just a quick question, yotaflasher is a software im not familiar with and im not sure if im using it right.
Do I start yotaflasher and then type 2 and enter tochoose region.then type the number for the firmware I want and press enter.then when its finished downloading it seems ro freeze and I cant type any key to start flash so I have to exit software then restart it.
Do I then just type 1 and enter to start flashing phone then thats it or do you have to type proper commands into this software ro get it to work as im not sure if im using it right
I will be home in couple of hrs to test out what you told me
Thx
Click to expand...
Click to collapse
Sorry again for my english...
1. without any software, reset your phone : turn off your phone (or, if it's not possible, press power button for a long time :20 - 30 seconds or more - and, as soon as the screen turn off) --> press and hold the Volume Up + Power button simultaneously for about 10 seconds. Then, choose "wipe data and factory reset" and wait...
2. After the reboot, put usb debugging on your phone
3 . install yotaflasher (so you also have the drivers on your computer).
4. put your phone on download mode : turn off your phone - then, press and hold the Volume down + Power button simultaneously for about 10 seconds
5. open yotaflasher on your computer and connect your phone (wich is on download mode)
6. chose the last EU firmware (option 2) and download it - after, click on option 1 and flash your mobile. Wait the necessary time without touch anything and, after maybe 10 ou 15 minutes, your phone will reboot.
We have the same phone from Tinydeals and I'm now on lolipop (after the flash).
Good luck !
usb debugging is the problem
cheynei said:
Sorry again for my english...
1. without any software, reset your phone : turn off your phone (or, if it's not possible, press power button for a long time :20 - 30 seconds or more - and, as soon as the screen turn off) --> press and hold the Volume Up + Power button simultaneously for about 10 seconds. Then, choose "wipe data and factory reset" and wait...
2. After the reboot, put usb debugging on your phone
3 . install yotaflasher (so you also have the drivers on your computer).
4. put your phone on download mode : turn off your phone - then, press and hold the Volume down + Power button simultaneously for about 10 seconds
5. open yotaflasher on your computer and connect your phone (wich is on download mode)
6. chose the last EU firmware (option 2) and download it - after, click on option 1 and flash your mobile. Wait the necessary time without touch anything and, after maybe 10 ou 15 minutes, your phone will reboot.
We have the same phone from Tinydeals and I'm now on lolipop (after the flash).
Good luck !
Click to expand...
Click to collapse
Hi there mate thx for the step by step guide but I think I know what the problem is.i originally didnt put it into usb debugging mode when I originally tried to flash the firmware.now as the mobile is stuck in boot loop and cant load up as normal I cant switch on usb debugging.is there a way through fastboot or that adb program.im just learning about these programs to flash mobiles with but if there is no way to enable usb debugging through any software I fear im screwed
simon121simon said:
Hi there mate thx for the step by step guide but I think I know what the problem is.i originally didnt put it into usb debugging mode when I originally tried to flash the firmware.now as the mobile is stuck in boot loop and cant load up as normal I cant switch on usb debugging.is there a way through fastboot or that adb program.im just learning about these programs to flash mobiles with but if there is no way to enable usb debugging through any software I fear im screwed
Click to expand...
Click to collapse
Yes, I know, don't worry, I bug my phone too - it's why you have, first, to reset your phone... try to put it on recovery mode, it's the only solution (I think).
--> Press the power button for a long time (20 - 30 seconds or more) and, as soon as the screen turn off, press and hold the Volume Up + Power button simultaneously for about 10 seconds. Then, you will see a menu : choose "wipe data and factory reset".
Try several times if that does not work at once.

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