1. Hard power off your Chuwi V88 (hold power button until it powers off)硬關機 2. While holding Volume+ (up) button 按住+音源鍵 3. Plug USB into your PC (update mode)插上電腦 4. Install missing drivers from driver folder if you have not already 安裝驅動程式 5. Run RKAndroidTool.exe as Admin (click right)啟動程式(admin開啟) 6. Select Flash Rom選擇檔案(所有檔案都要選 要指定到檔案在PC上的位置) 7. V88 will boot into CWM 8. Wipe data/factory reset (your data will get lost) 9. Reboot 10. wait 4 minutes