Download Four K500 Firmware file and follow the procedure to install Four K500 Flash File and fix Four K500 problems.
You are about to download Four K500 stock rom.
You can use this firmware file to flash Four K500.
If also you want to upgrade or downgrade your smartphone, you can use this stock rom.
This firmware flash file can also help to fix a lot of problems on your smartphone.
Some problems like hanging, battery drain, app crashing, and other problems.
You can use this stock rom to remove the locked screen, remove root, fix many system errors, and unbrick Four K500.
Download and instructions
Android version: 5.1
Four Model: K500
Drivers: Four K500 Drivers
Firmware Filename: Axiom_Four_K500_Dual_MT6580_V1.0_20160304
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