Schematics :
| POP-8520 | download |
| SCH-8520 | download |
Sofware Service OS:
| 8520al8900inst_rapidos.rar | download |
| BBSAK | download |
| Generator_PIN_Imai | download |
| Jl.cmder.v1.9.3 | download |
Hardware problem ;
- Line Vbatt gemini jumper
- Line Camera jumper
- Line handfree jumper
- Line ringger/ buzzer jumper
- Line LCD jumper
- Line MMC and trackpad jumper
- Line USB jumper
- Line USB Jumper 2
Trick Repair:
Free Schematic Diagram 
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