Zong M811 flash file /Firmware Firmware details Archive name: M811_4.3_20160904 Image: M811_SJJL_ROM_20160904A & M811_SJJL_ROM_20160904B Archive file size: 654 MB Support: Qualcomm Snapdragon 400 MSM8926 Build number: m811-user 4.3 JLS36C M811_01.50.00RPS release-keys Mega link to get this file click on download zip version upgrade method: 1, the downloaded zip file into the root directory of the phone SD card (no decompression or renamed) 2. Keep the phone is fully charged and shutdown 3. Press the volume up key and the power button to enter the recovery mode 4, the display press the power button to enter the brush machine interface when the three lines of green characters 5, press the volume down button to select apply update from sdcard, and press the power button to confirm and enter the file directory 6, press the volume down button to select m811_M811_xx.xx.xxRPS_full.zip, press the power button to confirm start brushing machine 7, while waiting for the lower part of the screen displays the words yellow word complete, select rebootsystem now, press the power button to confirm the restart 8, the upgrade is complete bin Upgrade method: 1, to download the bin file into the root directory of the phone SD card (unzip the m811_v1.bin this file) 2. Keep the phone is fully charged and shutdown 3, press the volume down key and the power button to enter the auto-refresh mode 4, reference Chinese legend, the upgrade will begin automatically Wait for the green progress bar to finish (longer wait) 5, press the power button to restart 6, the upgrade is complete (Section One time you start a long time after the upgrade)