I have a d6603 Z3 on 5.1.1. I attempted to use flashtool to downgrade my firmware as per this thread: http://forum.xda-developers.com/z3/g...stall-t3017056
After allowing it to flash, the last lines were:
10/058/2015 23:58:25 - INFO - Please unplug and start your phone
10/058/2015 23:58:25 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
Once I did that, the phone would start and during the boot process it would freeze and restart. Connecting to my computer shows that the battery is at 50% no matter how long it's connected. I've tried holding the power button with volume up, or power with volume down, and doing those two while connecting to computer, and nothing. Pressing the yellow button and getting the vibrations don't help. Trying to use PC Companion Repair, but that's not getting anywhere because when I hold the volume button while connecting the device, it doesn't recognize the device. Sometimes the phone will vibrate once while holding volume down when I do that. Still nothing. I'm at my wits end here. :(
After allowing it to flash, the last lines were:
10/058/2015 23:58:25 - INFO - Please unplug and start your phone
10/058/2015 23:58:25 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
Once I did that, the phone would start and during the boot process it would freeze and restart. Connecting to my computer shows that the battery is at 50% no matter how long it's connected. I've tried holding the power button with volume up, or power with volume down, and doing those two while connecting to computer, and nothing. Pressing the yellow button and getting the vibrations don't help. Trying to use PC Companion Repair, but that's not getting anywhere because when I hold the volume button while connecting the device, it doesn't recognize the device. Sometimes the phone will vibrate once while holding volume down when I do that. Still nothing. I'm at my wits end here. :(
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