REFERENCE iPhone 4 Error 21 [ Done ]

[caliber38]

Model iPhone 4G​

Problem: iTunes Only nang Dumating sa akin.

1st Action Taken [Basic Muna wag tayo Deretso Hardware]

Reformat via itunes but sad to say "Error 21"

2nd Action Taken =Disassemble the unit and check all the parts. maynakita akong Kunting coroded resistors gaya ng sa picture below. Nilinis ko at Restore Ulit

This image has been resized. Click this bar to view the full image. The original image is sized 831x369.

​

Result = Negative! Same "Error 21"

3rd Action Taken = Disassemble again i check the back part of the Board.. Malinis Naman, Nagabaka sakali nalng ako sa C135_RF na Palitan. check the picture Below

This image has been resized. Click this bar to view the full image. The original image is sized 909x545.

​

Result = Positive, Nadali sa Chamba!

After Removing C135_RF Restore ko ulit, only Board Battery and charging connector, At hindi ako nabigo, na Restore na sya.

Screen Shots:

This image has been resized. Click this bar to view the full image. The original image is sized 2047x1529.

This image has been resized. Click this bar to view the full image. The original image is sized 1062x616.

This image has been resized. Click this bar to view the full image. The original image is sized 984x594.

Click this bar to view the full image.

Thanks sa Pag View. Reference lang po to para sa ating Lahat​