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Carlos Guerra 12/25/2016

Removing the voice prompts is sometimes useful, for example playing in a loud sound system were the voice prompt will be heard in the big speakers, or for you is just simply annoying.

This can be achieved by flashing the decoder with a customized firmware.

Here are the files and instructions.

- New firmware available - SD Model with display Only!


1.- Removes voice prompts 
2.- Removes hands free calls interruptions.

Download here

- Original firmware - SD Model with display only!

1.- Restores English voice prompts 
2.- Restores hands free calls.

Download here

Flashing Process:

1.- Download firmware from link and copy it to and SD card
2.- Rename file to jl_bt46.bfu
3.- Confirm your decoder Bluetooth ID is M01BT
4.- Power OFF your PT01S, insert SD card on decoder
5.- Power back ON the PT01S and you'll hear beeps when flashing is done.
6.- Remove SD and Power cycle the PT01S, test features are working.


Dont forget to delete file from SD cause if inserted again it will always try to flash.


WARNING: Do not try to flash this firmware in a decoder other than Bluetooth ID M01BT, it will mess up other decoders!!!!

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