Goto "Settings">>"Device">>"Apps", tap on the target app and choose "Clear data"or "Force stop". What are the steps for booting Mi Box? 1) Connect the TV set and Mi Box with standard HDMI 2) Plug in to the power supply,the white indicator in front will be bright, then the Mi Box will power on automatically Ihave the 8702 which has the same code 1983. I got from youtube the video without sound but the gue shows the factory setup and I saw he typed the 1983. Tried on the 8702 model and it worked. The 8702 is different model with GPS, FM, rear back camera, dash cam. They all work on my car. Only the steering wheel control doesn't work. Step7. You should see a menu. Using a USB keyboard press down until you highlight wipe data/factory reset. Press tab on your keyboard. Step 8. Select delete all user data and press tab. Step 9. Wait for the process to finish and then choose reboot device and press tab. Step 10. Tekantombol Mute atau tombol 2 pada remot untuk berpindah dan masuk parameter adjust menu F2 televisi cina ADJUST MENU F2 SUB CONT : 8 SUB BRIGHT : 50 SUB COLOR : 20 S SUB COLOR : 50 RF AGC : 37 BACKGROUND : 1 BACK COLOR : black POW CONT : 0 LOCK : 1 Keterangan: * SUB CONT : Sub contrast untuk menambah sub level contrast .

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