Originally Posted by rufy93
Unfortunately I was stupid enough to not do that, so right now I have a backup with an unlock bootloader.
1. Download and install Flashtool
2. Connect phone in Flash-mode (phone shut down, volume down + power)
3. Press the BLU button
4. Press the relock option
5. Put a stock .ftf firmware in the Flashtool firmwares folder
6. Flash the firmware
Let me know if this works.
Sent from my C5503 using Tapatalk 2
Now: LG G2 802
Previously: Samsung Galaxy S4 <- SONY Xperia ZR (C5502) <- Motorola RAZR Maxx (XT910) <- HTC Sensation XE <- Blackberry Bold 9780 <- HTC Nexus One <- Blackberry Curve 8900 <- Nokia E71 <- Nokia E51 <- HTC TyTN II <- Nokia 1100 <- Nokia 3315