2720a-2b RM-520 v8.62 successfully convert to RM-520 v8.20 and unlocked by cyclone

[Musakatari]

2720a-2b RM-520 v8.62 successfully convert to RM-520 v8.20 and unlocked by cyclone with procedure...

1. Box: Cyclone Box with DCT4 plus activated
2: Cable: UFC Cable set to 5.1k
3. Flash phone using RM-519 v8.20 firmware to downgrade
= download the firmware form here
4. Write PM file
= download PM file = here
5. Unlock and repair BT if necessary
6. Do hardware modification

Here's the logs:

Phone unit:

Flashing:

Write PM:

Unlocking:

Pinout:

Hardware Modification:
= Make a jumper and follow the red line =

Finish Product:

 

[ashihdigg]

answer: 2720a-2b RM-520 v8.62 successfully convert to RM-520 v8.20 and unlocked by cyclone

many many thanks