8300 Reboots Solved!!!!!
After 3 months of suffering, reading, trying everything , this worked for me. 100%.
Try it. PLEASE post here if it worked and even if it didn't.
SETUP
1- Need 4.5 OS on device. I have an unlocked AT&T Curve 8300 with Suncom/TMo SIM. Installed 8300M_PBr4.5.0_rel152_PL2.7.0.90_A4.5.0.110_AT&T.e xe.
If you downgraded to 4.2 or whatever, please reinstall the 4.5 OS.
2- 4.7 DeskTop manager installed.
3- Remove media card.
4- Perform the following steps:
A- Go to a command prompt. Easiest way is to Win-R and then enter the following: (your directories may be slightly different). The important thing is to get to the Research In Motion folder wherever it is.
C:\Documents and Settings\Edward>cd \
C:\>cd c:\program files\common files\research in motion\apploader
C:\Program Files\Common Files\Research In Motion\AppLoader>loader.exe /resettofactory
You are now resetting the device to factory settings.
THIS IS NOT THE SAME AS USING JL_Cmdr Wipe Function
YOU HAVE TO DO THIS STEP. THIS IS THE MISSING LINK.
Once the phone reinstalls some factory files (about 2-4 minutes), the phone will now work. You do not have to reinstall the OS or any other file.
Try making some calls to landlines, other cells, etc. After you are pleased with it working, TURN IT OFF NORMALLY. Do not just remove battery with device turned On.
Install Media card. Turn phone back on.
Enjoy.
Once again, please post here if it worked for you. The feedback is very important.
AguilaFan
ps I have now made over 30 calls, received @ 20, took pictures while on a call and the phone has not rebooted once.
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