Share your experience!
I was using 2.3 stock android on my arc s now i have installed cyanogen.Can i get my stock 2.3 or 4.0 android back anyway????
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If your bootloader is unlocked then you will have to relock it before you could use PC Companion or SUS
If you don't wan't to relock your bootloader then you can install ICS or Gingerbread on your phone using flashtool
Here is the guide
can you give me a way to lock bootloader!! I wanted to root my phone and if i don't find it useful then i will lock my bootloader and remove the root by updating with SEUS (well i haven't unlocked bootloader even)
Here is how to relock the bootloader
http://forum.xda-developers.com/showthread.php?t=1134335
Just download the file and flash it via flashtool
thannnnQQQQ 
i downloaded the file and flashed it and now phone is not starting not any logo nothing just a vibration
and SUS is saying my phone software is up to date
Wats the issue??
repeat the process all over, remember that after you either flash or repair your phone it will take longer to start (the first time)
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unrelated topic, if you have some time please check this thread
will it work if i flash thru fastmode??
and how long it takes???for first start that u mentioned???
No no, not though fastboot ( that's a different thing )
Take out the battery and reinsert it after few minutes
Put your mobile to charge for somtime
if that doesn't helps then again flash the phone