MTCU - KLD , px5 unit... bluetooth Problem !!

[aeonline]

Good day , i recently installed the newest MCU verion from KLD_v2.65d_1 to KLD v_3.1 .But now my bluetooth is not connected is Not found BT:crying::crying::crying:. So i not sure original factory settings bluetooth module.

Here is the information from my software device:
Models and hardware
PX5
Android version
8
MCU version
MTCE_KLD V3.1 to up form KLD_v2.65d_1
CPU
Octa-core Cortex-A53 @ 1.5G
Memory 4 G
Kernel version
4.4.93 [email protected] #130 Feb1 16:36:19 CST 2018

Rom :Malaysk ROMs for PX5 (2-4 Gb) 8.0 Android Oreo