[ATTENTION!!!] For UART 4.4.2 needs soldering

 
 

     


Thanks BST for NOT informing about this! You are the worst team I had ever seen!!!


BST-Android 4.4.2 UART Failed Solved

After upgrade 4.4.2 android OS, cannot communication with uart cables, but 4.3 uart communication working fine, try to solve problem as follow ways please:

A. Required materials and tools:
1). Resistor: R104(100K)
2). Soldering tool

B. How to solve:
1). Take BST Adapater( disconnect usb cables), solder R104(100K) resistor as follow point:





 :scratch: