Hi!
@myokomizo what do you mean by "pair to your phone". BLE HM modules can't be paired like any other BT module. You need to use special BLE serial application like "HMBLE Terminal".
@danielnora if I follow your schematic it seems that it's not the pin 7, 8 and 11 that have to be used but the 34 (P2_2), 35 (P2_1) and 20 (RESET_N).
@songotag I used an arduino micro, I had to use "CCLoader.exe <Firmware.bin> 1" instead of a 0