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my led is not working,and for some reason my message tone is not doing fully ,its only partly sounding,any idea s plz?
your SD card won't be affected at all, since it will ONLY erase everything you have stored on your internal memory
I would suggest some other steps to ensure you don't lose any data and you can restore your settings, apps, etc faster
just to play it safe sync your contacts w/ google if you haven't already
you can backup your SMS/MMS w/o using the Backup & Restore app (which will be faster)
Install "backup SMS" to back up your SMS and MMS to your Gmail
https://market.android.com/details?id=com.zegoggles.smssync&feature=search_result
or your SMS use
"backup & restore SMS"
https://market.android.com/details?id=com.riteshsahu.SMSBackupRestore&feature=search_result
or for your MMS use "Save MMS"
https://market.android.com/details?id=com.schwimmer.android.mmsextract&feature=search_result
one last thing
Don't worry so much about backing up your apps
on your computer go to
market.android.com -> log in -> click on My Library -> and send all your apps to your phone
Make sure Light Settings after that Change Track of the Light Section of the PCB of the cell phone and Jumper if necessary. If the problem is not solved there will be fault in these parts like the Light IC, Power IC.