Before
Are you Facing many problems after you used the Android car stereos for many years? Stuck ? Buy a new one? it will a huge cost
So the best solution will be upgrade the system!
Then, How to upgrade the Android car stereo system?
I will show you Guides on how to upgrade
Begining
Before you upgrade, you need to let me know the system information, How?
Please do as this guide：
Step2:
if your motherboard shows USI7862, please download the firmware from my google drive share:
USI7862 update firmware , for navitech only
