Originally Posted by dphenry
I tried to d/l 4.5 and install it, but my device still says v188.8.131.52 after I go through the process? What specific OS upgrade should I be d/l'ing for my 8310? Sorry to burden the list.
1. Uninstall OS4.2 (control panel>ad/remove software)
2. Delete Vendor.xml file
3. Install OS4.5 AT&T on PC
4. Start BDM (4.3)
5. Take off battery from Device and Connect to PC via mini USB (BDM still appear Disconnect - It's OK)
6. Click Next Load till JVM " Erasing application ..and Loading software"
7. After that, next step Waitting for device ... you need PUT battery in to device, processing still working to Finish, You just click Close button.
You device Upgrade to OS4.5 AT&T