How to Fix iPhone 4S Wi-Fi solution
A common problem in the iPhone 4S, sometimes the Wi-Fi button will be unclickable.This problem seems to be related to thermal shock and any high voltage ao any other types of issue.we have some tipes please follow the intruction.
1==open your phone and check strength of wifi .
2==then opens your hardware and ck down parts of mother boards
1==open your phone and check strength of wifi .
2==then opens your hardware and ck down parts of mother boards
- 1==Remove the adhesive protection on the Wi-Fi/bluetooth chip.
- 2==Now we can see the Murata SS1830010 chip.
- 3==Put the logic board in a PCB holder or small vise, to safely hold it while reflowing (it's going to get hot!).
- 4==Protect the logic board with Kapton tape that has good insulating and temperature characteristics (temperature range: −269 to +400 °C).
- 5=5Now we need a hot air rework station with a small nozzle:
- 6=Edit: the correct temperature is almost 180-200 °C because around the chip there is a little black protection that can go under the chip.
- 7=Set a low air flow: 1 or 2 (on a 1 to 7 scale).
- 8=Now, doing circular movement, you have to reflow for 4-5 minutes.
- 10=After 5 minutes, gradually decrease the temperature from 200 to 0 °C.
11=finally ut working
thank for visiting .for other problems on your device please cntact us .thank you
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