[Q]back to stock with cwm - Xperia Arc Q&A, Help & Troubleshooting

Hi all,
I backed up my stock rom with cwm before installing CM9. In galaxy nexus and sII forums people get back successfully to stock rom. I don't know is it also works good with Arc lt15i. If it is what should i do to get my stock ROM back?
Thank you.

Hi,
Your best way to is flash an ftf and then go into cwm and restore your latest backup of your stock ROM. You can pick up just where you left off

Jon565G said:
Hi,
Your best way to is flash an ftf and then go into cwm and restore your latest backup of your stock ROM. You can pick up just where you left off
Click to expand...
Click to collapse
So CWM cannot install stock rom. I have to flash a ftf.

namcojoulder said:
So CWM cannot install stock rom. I have to flash a ftf.
Click to expand...
Click to collapse
As far as I know yes.

Cwm will backup and restore.
You can use cwm to install mods, Roms etc if they are flashable zips,ie not ftf files.
Sent from my LT18i using xda premium

Related

How to flash CWM to unlocked bootloader ICS Arc S

Hi, I have a unbranded, unlocked Arc S, running ICS, and I want to flash the 4.04 image, which comes as a CWM zip.
Everything is currently stock but rooted.
The 4.04 update is a ZIP (rather than a FTF), so I think I need CWM installed to flash the update. I can't find anything that tells me how.
I found a easy installer, but it categorically says don't use it with ICS.
HELP!!!
CWM Auto-Installer
Try CWM auto-installer, you can find it in Play Store and it worked to me.
Look in the dev section for the stock ics kernel with cwm is the simplest way.
Sent from my LT18i using XDA
Use fastboot to boot either a custom kernel like ArcNight or DoomKernel, or cobratos modded stock. They contain cwm, on boot repeatedly press any of the h/w keys to enter cwm and flash the zip on the sdcard.
smartarse93 said:
Look in the dev section for the stock ics kernel with cwm is the simplest way.
Sent from my LT18i using XDA
Click to expand...
Click to collapse
I only ever found the old beta kernel for ICS, not the final one. Got a link?
I tried the auto CWM installer, and yes it did install onto stock ICS, and I managed to install the 4.04 ZIP, but now it just hangs on the Sony startup screen.
Any advice on how to get back to something that works?
Sorry I haven't looked at that Rom as it's a dev Rom thats been ported, before installing that Rom did you make a cwm backup? Otherwise you install another Rom.
Sent from my LT18i using XDA
CrazyPeter said:
I only ever found the old beta kernel for ICS, not the final one. Got a link?
I tried the auto CWM installer, and yes it did install onto stock ICS, and I managed to install the 4.04 ZIP, but now it just hangs on the Sony startup screen.
Any advice on how to get back to something that works?
Click to expand...
Click to collapse
Before flashing a ics rom in zip format you need to flash a complete ics (ftf file) via flashtool /pc companion /seus.

[Q] Upgrading from ICS to JB

Hi guys.
Today I finally received an OTA upgrade from ICS to JB Android. I made a backup, then from settings i let system to update my ROM. It's going good so far, but when it's rebooting, it's going to recovery where the process is stopped. I have unlocked bootloader and rooted my HOX, but still i have a stock ROM. I tried to toggle off checking signatures in cwm but with no result. What can I do to keep root and upgrade to JB?
Thanks.
1. Stock ROM
2. Stock kernel
3. Stock recovery
Make sure you haven't removed system apps. Root doesn't matter.
Sent from my One X
And make sure to put back the stock recovery
http://db.tt/U5CK4noo
You can root again by flashing your custom recovery AFTER updating to JB.
http://androidsu.com/superuser/
So, at start I have to flash stock recovery. Have I to relock the bootloader? Then I'll update to JB. Of course I want to root, so just flash custom recovery and su? Thanks in advance
Make sure the rom is stock, then flash the STOCK recovery and update the phone, then flash a custom recovery back and root the JB rom again. No need to lock the bootloader !
You must mean stock recovery correct?
Sent from my One X
TToivanen said:
You must mean stock recovery correct?
Sent from my One X
Click to expand...
Click to collapse
Yep.......i was hasty !!!
So I flashed recovery stock, it's okay here. Look at screenshot in attachment. But when i try to update phone it's rebooting to cwm again I had this recovery from my first nandroid backup.
pablo7890 said:
So I flashed recovery stock, it's okay here. Look at screenshot in attachment. But when i try to update phone it's rebooting to cwm again
Click to expand...
Click to collapse
You downloaded my stock recovery and renamed it to recovery.img ?
Recovery from a nandroid is never a stock one, a nandroid backup can only be done with a custom one
Uuuups, what a mistake Thanks! I'll try to flash yours one.
Odp: [Q] Upgrading from ICS to JB
Thank you so much for advice. Ive rooted it again and its very cool phone finally with otg which is working very well .
Sent from my HTC One X using xda app-developers app
Case closed !

Custom ROM 4.3 to. kitkat 4.4

I am running IOKP 4.3.1 on my nexus. I have downloaded the OTA update for kitkat 4.4. Can I flash the 4.4 update from cwm or so I have to return to stock then flash it? I ask this because my stock backup will not restore due to md5 mismatch. Thanks for any advice.
Anyone?
Just backup, restore a flash the 4.4 ROM.
Sent from my Nexus 7
OK I've backed up iokp. Can I now flash 4.4 from cwm? Or do I need to flash stoc first?
razormccabe said:
OK I've backed up iokp. Can I now flash 4.4 from cwm? Or do I need to flash stoc first?
Click to expand...
Click to collapse
You can only flash an OTA if you are on stock ROM.
OK but how do I get back to stock ROM then? My backup won't restore.
razormccabe said:
OK but how do I get back to stock ROM then? My backup won't restore.
Click to expand...
Click to collapse
If you don't know how to flash back to stock manually you are probably better off using one of the toolkits in the development forums.
meekrawb said:
If you don't know how to flash back to stock manually you are probably better off using one of the toolkits in the development forums.
Click to expand...
Click to collapse
Sorry I should have asked how I can do this without a pc...
razormccabe said:
Sorry I should have asked how I can do this without a pc...
Click to expand...
Click to collapse
Tasssadar has some stock flashable zips here:
http://forum.xda-developers.com/showpost.php?p=48544617&postcount=255
Don't forget to thank him if you use it.
They seem to be stock kitkat. I would need to flash stock JB and then flash KK though, yeah?
razormccabe said:
They seem to be stock kitkat. I would need to flash stock JB and then flash KK though, yeah?
Click to expand...
Click to collapse
No. Just wipe(cache, dalvik cache, data, and system) and then flash KK and you are done.
Another edit: Since you can't use a computer for this, you should download a few other ROMs so you have something else to flash if something goes wrong. I would really only recommend upgrading if you have access to a computer. Things can go wrong very easily. Good luck.
Thanks very much!
They aren't update custom ROMs, they're like factory images. You just need a kitkat 4.4 custom ROM that you can flash in custom recovery. If you don't have custom recovery on your tablet, you need to use your PC to flash it, or just boot temporarily.
Afterwards, restore your tablet, clear cache and dalvik cache, install zip, choose your custom rom, and flash it.
If there is an update for a ROM (such like nightlies for CM) you wouldn't have to restore the tablet, just flash the updated custom ROM because it's just an upgrade.
Sent from my Nexus 7

Re-Flash Xperia M to stock

Hey everyone,
last week I flashed my girlfriend's XMS with several custom ROMs, but none of them could really satisfy us, so I want to re-flash the stock ROM.
My question is: Can I just flash the ftf file with the flashtool if there is currently CM11 running on the device? Or do I need to erase the system before?
Will this also flash "stock recovery"? Is there a way to do this?
Thanks!
Yes, you can flash stock ROM. There is no need to format system, Flashtool will do its work. Stock recovery will not be flashed, because we don't have stock recovery on our device. But you can flash stock kernel with CWM or PhilZ Touch recovery.
if you want to leave your recovery ..check kernel
sin in exclude list in flashtool
Sent from my C1905 using XDA Premium 4 mobile app
Farsiris said:
if you want to leave your recovery ..check kernel
sin in exclude list in flashtool
Click to expand...
Click to collapse
No! Phone will not boot with custom ROM kernel (if custom ROM is not based on stock). So it is necessary to flash full stock at first and then to flash stock kernel with recovery, if you want to have recocery.
cucumber09 said:
No! Phone will not boot with custom ROM kernel (if custom ROM is not based on stock). So it is necessary to flash full stock at first and then to flash stock kernel with recovery, if you want to have recocery.
Click to expand...
Click to collapse
Have you tried it ? Cuz i ve tried it many many times !
Farsiris said:
Have you tried it ? Cuz i ve tried it many many times !
Click to expand...
Click to collapse
You flashed stock via Flashtool after CM11 or CM-based ROM without flashing stock kernel? It should not boot, I think, because 4.3 and 4.4 kernels are different.
Has anyone tried this? I need to do this also but I'm a little bit confused about flashing kernel. I tried to find a detailed guide somewhere but no success

[Q] how to go back to stock rom or...

hi guys,
first of, forgive me If I cannot utilize google or xda's search engine for looking a good solution to my issue, I just cannot think of the right keywords to look for.
for several months now, I currently have CM11 fxp334 by pencam and Bootloader is unlock. Recently Im encountering random reboot issues and I think its getting worst and I am not sure if it has something to do with my link2sd, because at times when it does randomly reboots, I lose some apps that are link to my sdcard after booting.
1) Im thinking of either updating to the latest CM11(or CM12) nightly builds (I have cwm obviously) to assume that latest builds have less bugs
2) or is it possible to use cwm in trying to install/flash stock xperia M firmware because CM seems to be a power hog based on my own observation vs stock sony 4.3 JB. If this can be done, can some good soul point me to the right direction please.
I have my rest days, I hope I can use it by fixing my phone. Thank you.
Just flash your stock .ftf file to go back to stock.
You will have to reflash recovery tho.
*blink*
RedLedLight said:
Just flash your stock .ftf file to go back to stock.
You will have to reflash recovery tho.
*blink*
Click to expand...
Click to collapse
flash by using cmw, or flashtool? can cmw recognize a *.ftf file?
and when you said that I will have to reflash recovery, I can still use the cmw recovery that Ive previously used with my CM11 together with stock sony rom?
prince10t said:
flash by using cmw, or flashtool? can cmw recognize a *.ftf file?
and when you said that I will have to reflash recovery, I can still use the cmw recovery that Ive previously used with my CM11 together with stock sony rom?
Click to expand...
Click to collapse
flash .ftf using flashtool flashmode
afaik cwm only support .zip file for flashing
you can have cwm on stock rom when you flash stock kernel that includes cwm
flash it with flashtool fastboot mode
just press thanks if it's helps instead of typing it

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