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[Q] How to hard reset Nexus S

hi all
i am trying to do a factory reset to my nexus S but i faced some problems, the phone cant be reset to factory settings. my phone is on 2.3.4 and is rooted
i had tried the following steps
1) going to Settings>Privacy>Reset phone
after i confirm to wipe everything, the phone rebooted and it will stuck at the "Google" logo (in words) with the fastboot unlock logo at the bottom. i took off the battery to shutdown the phone (anything i press at this moment does not get any response from the phone) and start it up again. once it is started (it get pass the google word logo if i do it this way) all my application and even my themes are still there
2) shutting down the phone. press volume up + power button. choose recovery
same thing happen as above. it cant get pass the google word logo and once i restart the phone by plugging out the batt, it went back to previous state without wiping anything
i search online guide and also youtube video and all of them shows that the recovery will bring you to a android with a exclamation mark (in the triangle) but i cant get to the screen. i had left my phone there for 30 minutes but it is still stuck at the google logo.
Please help

Reflash latest clockworkmod recovery, boot into recovery and wipe data + cache + dalvik.

polobunny said:
Reflash latest clockworkmod recovery, boot into recovery and wipe data + cache + dalvik.
Click to expand...
Click to collapse
thanks for the feedback. now i am trying to flash it but i faced "adb device not found" error

ok done
managed to flash it back to an older version and everything works now
thanks a lot for your help! cheers

Make sure to update it eventually because you could run into issues when flashing stuff if your recovery isn't up to date.
No problem!

Bootloader Unlocked... now what?

Hey Everyone,
Im sorry in advance if I'm about to ask the dumbest questions of the day/week, but I'm brand new to this, and I haven't found any answers in any of these threads, so go easy...
Up until now I customized the heck out of my mt4g. Tonight however, I followed HTC's instructions and unlock the boot loader -- as I thought based on what their site said, that I'd be able to flash custom roms to the phone once unlocked.
I was successful in unlocking the Bootloader, but (S=on) still exists. I'm kinda stuck now because I don't know what to do next? Is it possible to go from here to Root, if so, how? I've tried the HTC Super Tool for over an hour and it's not working... not giving me perm S=off. Maybe I'm doing something wrong?
If the phone isn't rooted, then how am I supposed to be able to flash a rom??... Do I do it from the HBOOT menu? Because I can't seem to do that either. If I opt for "recovery" while in HBOOT, I come to a red triangle, and have to do a battery pull.
The stock rom that's loaded now has GB 2.3.4 running.
My goal is simply to get CyanogenMod running on this phone. I just don't know what the next step is. I've already factory reset the phone so all my customizations and apps are gone therefore I don't really care what I have to do to get where I want to go. If it's possible to root from here, what's the next step? If root isn't possible, then how do I flash a new rom, like HTC claims I can do now that the BL is unlocked??
If someone could offer some help, I would be super appreciative!!
T40

Follow this link . Very well written guideit worked for me http://forum.xda-developers.com/showthread.php?t=1178912

headcreepz said:
Follow this link . Very well written guideit worked for me http://forum.xda-developers.com/showthread.php?t=1178912
Click to expand...
Click to collapse
Follow that guide and get off the official HTC unlock. You should have read the thread on this forum about it.
Sent from my mytouch 4g using xda premium

okay... I followed the guide and I achieved "perm-root", I believe.
If I go into terminal emulator, and type SU, I get a # returned. I do notice however that when I boot into HBOOT, it still says s=on. Not sure what the difference is between 'perm root' and 's=on' but...
I have rom manager downloaded. I also have titanium backup downloaded and did a full backup.
PROBLEM:
In rom manager, I Flashed ClockworkMod Recovery, and then downloaded the nightly CyanogenMod, no problem, but every time the phone reboots (into recovery mode), I stop at the red triangle?!?!?!
What's going wrong?

Open rom manager and art the top is an option to install recovery-install it, then you should be good to go

I did install recovery. Everytime it reboots into recovery i get the red triangle.
After I get the red triangle, and I hold the Vol Up button and hit power, I come to a BLUE recovery menu (3e) with 4 options:
- Reboot system now
- Apply update from sdcard
- Wipe data/factory reset
- Wipe cache partition
in the middle of the screen, in yellow text it says "E:Can't open /cache/recovery/command"

track40 said:
I did install recovery. Everytime it reboots into recovery i get the red triangle.
After I get the red triangle, and I hold the Vol Up button and hit power, I come to a BLUE recovery menu (3e) with 4 options:
- Reboot system now
- Apply update from sdcard
- Wipe data/factory reset
- Wipe cache partition
in the middle of the screen, in yellow text it says "E:Can't open /cache/recovery/command"
Click to expand...
Click to collapse
That's the stock android recovery.
Sent from my Infernalized Glacier!
-Team Inferno

If you had your device s-off and rooted, why HTC unlock? You just went backwards.

i started with HTC Unlock, then achieved perm-root, but (s=on)

Recovery
Hello,
I had the same issue, I had to flash the recovery with adb
1) If you dont already have it download flash_image and place it in your adb tools folder
2) Download the recovery you need and unzip, then rename to recovery.img and place in the root of your sdcard
3) open terminal and use the following commands
adb push flash_image /system/bin
adb shell
su
cd /system/bin
chmod 777 flash_image*
flash_image recovery /sdcard/recovery.img
4)wait for it to finish
5) type exit
adb reboot recovery
this should solve the issue
You can find the recovery here...including the new touchscreen version
http://clockworkmod.com/rommanager
You can download flash_image here
http://forum.xda-developers.com/showthread.php?t=902493
Thanks to Raichison for all the above

okay #furydude39, im all ready to run through your steps... when i issued the first command "adb push flash_image /system/bin", the handset responded with
"failed to copy 'flash_image' to '/system/bin/flash_image': Read-only file system"
Any idea where to go now? This is obviously why every time i boot into recovery that the processes initiated by RomManager isn't sticking.

an hour later...
I was able to execute the commands correctly that 'furydude39' recommended, and still nothing.
Here's a video I shot of the phone [still] giving me a headache
http://youtu.be/2Hr-7CosDQc
Someone's gotta have an idea on how to get past this?

Have you turned off fastboot?
Sent from my HTC Glacier using xda premium

yes, just checked... fastboot is off

We need to find out why it is not flashing the cw recovery. Are you able to to mount /system partition and copy files to it? I'm thinking a downgrade might be necessary so you can do gfree and eng bootloader.
Sent from my HTC Glacier using xda premium

okay guys...
I got past the last problem, of getting clockwork mod recovery to work. So, that's all set.
NOW, I use rom manager and i downloaded cyanogenmod 7.1 (stable) + google apps. Once the downloads were complete, I checked all three boxes... backup, clear caches, clear dalvik cache. The phone reboots, goes right into clockwork mod recovery.
the backup goes fine... the cyanogen flash goes without error, and then the google apps flashes without error.
NOW, the phone reboots, and the thing just hangs on the White t-mobile boot screen. Is this supposed to take a while before it goes into Cyanogen's screen? It's been sitting on this white screen for at least 5 minutes.

track40 said:
okay guys...
I got past the last problem, of getting clockwork mod recovery to work. So, that's all set.
NOW, I use rom manager and i downloaded cyanogenmod 7.1 (stable) + google apps. Once the downloads were complete, I checked all three boxes... backup, clear caches, clear dalvik cache. The phone reboots, goes right into clockwork mod recovery.
the backup goes fine... the cyanogen flash goes without error, and then the google apps flashes without error.
NOW, the phone reboots, and the thing just hangs on the White t-mobile boot screen. Is this supposed to take a while before it goes into Cyanogen's screen? It's been sitting on this white screen for at least 5 minutes.
Click to expand...
Click to collapse
You should manually wipe and flash. Doing it from the app seems to screw up some of the time. Make sure you wipe system data cache and dalvik before flash. It even helps to reboot recovery after doing wipe before you flash a rom.
Sent from my HTC Glacier using xda premium

i hate to ask another [stupid] question... but how do i manually do that?

track40 said:
i hate to ask another [stupid] question... but how do i manually do that?
Click to expand...
Click to collapse
In recovery, using the volume rockers, look for factory data reset/wipe. I'm not to positive on the exact names, since I have touch recovery. When you find it select wipe data an wipe cache. after those are wiped, go back then find advance, wipe dalvik cache. When that finished, go back. Select install from sdcard, find your files an install them. Everything should work then.
If I helped, give thanks, if you please.
........Death before dishonor........
Team inferno
Leader

Thanks all for your suggestions. I finally was able to get Cyanogen to stick. Had to wind up flashing the boot.img manually using fastboot via Windows while in HBOOT screen.

xt720 reboot problem

hi any help for this my xt720 keeps on rebooting even if i flash new sbf. it reboots after m logo.and fix for this? it keeps reboot after m logo ive flashed it several time please help

Can you get to stock recovery?
Sent from my Milestone XT720 using xda premium

Hi, Have you tried Manual reset to clear the data/factory this sorted my install of Cm7 the other day when it boot looped.
To Manually Reset
If there are significant problems with your device or you are not able to follow the steps above please use the following process to manually reset the phone:
Turn off phone
Press Power key + Camera Key + GalleryKey to power on the phone and bring up the recovery screen
When the Triangle/Exclamation point screen appears, press Volume Up + Gallery Key down and tap the camera key to show the recovery menu.
When the recovery window appears, use the volume up/down keys to navigate the menu and the camera key to enter your selection.
Select Wipe data/factory reset
Select Reboot Phone

i cant get to stock recovery my volume up is broken>>> any fix for this using computer?

If you have adb set up you can try "adb reboot recovery"

pables123 said:
i cant get to stock recovery my volume up is broken>>> any fix for this using computer?
Click to expand...
Click to collapse
How are you getting to the bootloader to flash sbf with broken volume up? As far as I know bootloader is volume-up + camera while powering on. Maybe it's only partially broken?
Sent from my Nexus 7 using XDA Premium HD app

i used volume down + camera button and power on to get to bootloader. is there a way to boot my phone from bootloader to open recovery using adb set up? if so, can u link me the application i will use. ive been so eager to fix my phone its been 3 month since it broke. any suggestion for fixing it? thnx in advance

hey guys i found something http://forum.xda-developers.com/showthread.php?t=1210343 can i use easyadb to boot from bootloader to openrecovery coz im not so familiar android sdk.

i run adb or terminal but my phone is not recognised i already installed usb drivers for xt720. any steps to boot my phone in recovery using pc?

Which sbf are you using?
I think it's possible to create a synthetic sbf that wipes /data and /cache, must many of them should already do that. There's always a risk that the reboot is caused by something else father than lack of wipe. IIRC this usually happen after boot animation.
Anyway, I'm wondering if you're trying to flash the modsbf--that will never boot after sbf.

i used us brightpoint and all other sbf but still it keeps rebooting after m logo.wont go through bootanimation.i havent tried to flash modsbf. mioze wer can i get the synthetic sbf that wipes all? if ever it exist can u link me the sbf?
thnx in advance

pables123 said:
i used us brightpoint and all other sbf but still it keeps rebooting after m logo.wont go through bootanimation.i havent tried to flash modsbf. mioze wer can i get the synthetic sbf that wipes all? if ever it exist can u link me the sbf?
thnx in advance
Click to expand...
Click to collapse
The brightpoint is already a full flash that should wipe /data and /cache (it contains empty /data and /cache). Some of the Korean ones are service flashes that don't wipe data which is why I asked. (Don't bother with modsbf--you must have working stock recovery for that to work) The idea would be to use sbf-depacker to create a sbf that only has data.img and cache.img taken from eg the brightpoint, but I don't think that will help here since brightpoint doesn't work... I assume you've tried flashing and booting with the sdcard and sim removed?

hi!
pables123, how did you root your phone?
with superoneclick, or?

The brightpoint is already a full flash that should wipe /data and /cache (it contains empty /data and /cache). Some of the Korean ones are service flashes that don't wipe data which is why I asked. (Don't bother with modsbf--you must have working stock recovery for that to work) The idea would be to use sbf-depacker to create a sbf that only has data.img and cache.img taken from eg the brightpoint, but I don't think that will help here since brightpoint doesn't work... I assume you've tried flashing and booting with the sdcard and sim removed?
Click to expand...
Click to collapse
i already did it. i wonder what causes it to reboot? it started when i charged the phone overnight then wen i woke up it was stuck in bootanimation overnight.i tried to fixed it later that day but it keeps rebooting everything i flash any fresh sbf. any suggestion how to fix it since my volume up is broken?
thnx

[Q] Stuck at CM10 boot screen. Can't recover.

Hi there, this evening I was on the forums, looking for an easy way to root my S3. I followed the steps exactly, and got it rooted. I then went to flash Cyanogen mod 10. I booted into recovery, wiped the cache, and installed the .zip and the gapps.zip. Well I rebooted it from CWM, and it just sits at the boot screen. I've turned it off and tried booting into recovery by holding both volume buttons and the power button, but it just boots up normally back to the CM10 screen. So, I cant seem to get it into recovery, or anything. Please lend me your knowledge.

Did you unlock the bootloader?
JMoneyCountIt said:
Hi there, this evening I was on the forums, looking for an easy way to root my S3. I followed the steps exactly, and got it rooted. I then went to flash Cyanogen mod 10. I booted into recovery, wiped the cache, and installed the .zip and the gapps.zip. Well I rebooted it from CWM, and it just sits at the boot screen. I've turned it off and tried booting into recovery by holding both volume buttons and the power button, but it just boots up normally back to the CM10 screen. So, I cant seem to get it into recovery, or anything. Please lend me your knowledge.
Click to expand...
Click to collapse

Recovery is volume up, power, and home. Just boot your phone up by holding all 3.
p.s. - if all you did was wipe cache before going from Stock (ICS) to CM10 (JB) - bad idea. You should always wipe cache, data and dalvik as well if you're going from ICS to JB or vice versa.

You should also format the system when changing base versions (4.0 to 4.1). Especially on aosp roms, and definitely when returning to tw. Most roms incorporate this, but it is evident that it does not always clean it out fully all the time. True clean install is factory data reset/cache/dalvik/format system.
Sent from my Galaxy Player 5.0 running CM9

I did unlock the boot loader. I used the EZ Unlock. But it said that status was unknown. I clicked unlock though and it said it unlocked the boot loader. And there was only one option when I was in CWM, to wipe the cache (it might have been the data I can't quite remember) but either way there were no choices to wipe the data, cache, and dalvik. I tried holding the power, volume down, and home. It said it was downloading, but I let it sit overnight and it never did anything.
Sent from my Nexus 7 using xda app-developers app

JMoneyCountIt said:
I did unlock the boot loader. I used the EZ Unlock. But it said that status was unknown. I clicked unlock though and it said it unlocked the boot loader. And there was only one option when I was in CWM, to wipe the cache (it might have been the data I can't quite remember) but either way there were no choices to wipe the data, cache, and dalvik. I tried holding the power, volume down, and home. It said it was downloading, but I let it sit overnight and it never did anything.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Recovery is volume UP, power, and home. Downloading is down. Download mode is when you connect it to your computer to flash firmware via ODIN. CWM definitely has options to wipe data and cache on the main area, with wiping dalvik as an option in advanced options.

I'm very sorry everyone. I took it to my brother and he fixed it for me. Thank you for being so helpful though I just booted to recovery and wiped the cache, dalvik and data. Then it booted up good. I wish I was good with technology
Sent from my Nexus 7 using xda app-developers app

I ran into the same problem. Do you know how your brother fixed it?
I'll appreciate any help.
Thanks!
JMoneyCountIt said:
I'm very sorry everyone. I took it to my brother and he fixed it for me. Thank you for being so helpful though I just booted to recovery and wiped the cache, dalvik and data. Then it booted up good. I wish I was good with technology
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse

abum said:
I ran into the same problem. Do you know how your brother fixed it?
I'll appreciate any help.
Thanks!
Click to expand...
Click to collapse
Well, I had been pressing the wrong buttons when trying to boot into recovery *facepalm*. Also, I was too dumb to look in the advanced options for the other options, like wiping the cache, data, Dalvik, etc. Pretty much me just being a noob at all that is technology haha

phone stuck on boot animation.

so, i just want to flashed a new rom, then i reboot in recovery, then i restored my data. at some point i saw a text shows cache.img was not found. then i reboot the system, the phone just stuck on the boot animation. please help. urgent

Which ROM did you flash? Did you flash gapps?
What are you doing when you say get into recovery and restore data? Are you trying to restore last ROM's /data from recovery?
If yes, then that's the reason you are stuck at boot screen. Factory reset &flash the ROM again and let us know if you are able to boot.
Sent from my Nexus S

i was flashing slimbean beta 2. i flashed it, it did boot, then i tried to restore my data (not advanced restore). still don't know how to get into recovery mode.

s0mpo said:
i was flashing slimbean beta 2. i flashed it, it did boot, then i tried to restore my data (not advanced restore). still don't know how to get into recovery mode.
Click to expand...
Click to collapse
Remove &replace battery. Press volume up button, then press power button along with the volume button. Keep holding till you get the fast not screen. Use volume to scroll and select recovery. Press power button to get into recovery.
Sent from my Nexus S

thx! now it worked! but, i have another question, how do i restore my data from my previous rom to this rom?