Send the following on WhatsApp
Continue to ChatBluboo X1s Firmware,Flash Tools And Flash Instruction https://droid-developers.com/bluboo-x1s-firmwareflash-tools-flash-instruction/
Bluboo X1s Firmware,Flash Tools And Flash Instruction https://droid-developers.com/bluboo-x1s-firmwareflash-tools-flash-instruction/