There are two ways to update the firmware of your device.Way 1: Update by the APP "UPDATE&BACKUP" in system.Way 2: Update in Recovery Mode.OPERATING STEPS VIA WAY 11. Copy all files in the current directory, then paste into the root directory of a USB flash disk.2. Connect USB flash disk to device.3. Goto "My Apps">"UPDATE&BACKUP", Click "Select", a list of paths will be scanned out automatically, find and click a path in which includes the OTA package name (For instance,"q201-ota-xxxxxxxx.zip").4. (Optional operation) Enable "Wipe Data" and "Wipe Media" , ALL DATA AND SYSTEM SETTINGS WILL BE CLEANED OUT!. Notice:If some malfuncations happen after updating done, it is necessary to re-update with these two options.5. Click "Update", click again "Update" on the pop-up window, then the system will auto-complete subsequent updating.OPERATING STEPS VIA WAY 2 (A way when the system fails to boot up)1. Copy all files in the current directory, then paste into the root directory of a USB flash disk.2. Power off the device and connect USB flash disk to the device.3. Use a fine pin or toothpick, insert into the pin-hole for RESET located on the rear side of device, then press and hold down, do not loosen it.4. Press and hold down POWER key located on the rear side of device, also do not loosen it.5. Watch the display screen of television, when Recovery Mode appears out, immediately loosen two keys.6. (Optional operation) In Recovery Mode, choose to execute "Wipe data/factory reset" and "Wipe cache partition" to clean user data and apps cache, ALL DATA AND SYSTEM SETTINGS WILL BE CLEANED OUT!. Notice: If some malfuncations happen after updating done, this step is necessary to be executed for fixing.7. Choose "Apply update from EXT" > "update from udisk", find and choose the line which shows the name of OTA zip package (for instance,"q201-ota-xxxxxxxx.zip"), then execute updating.8. Wait till the display sceen shows "Install from usdisk complete.", choose "Reboot system now" to reboot the device.NOTICE1. After updating done, the first boot of system will take more time than normal boot, and after the first boot is done, the system also needs to reboot automatically for 2 times, to initialize resources for APP service, it will take approximate 5 minutes. It is very necessary, please wait patiently.2. If a portable hard disk is used instead of a usb flash disk, please make sure the portable hard disk only has one partition, a multi-partition portable hard disk might lead to fail in updating.
You didn't see it bro? It gave a download link of firmware package for flashing.