Fault Description: iPhone 6 Wi-Fi can't be turned on while displays grey.- 11月 14 週三 201817:04
How to solve iPhone 6 Wi-Fi issues
Fault Description: iPhone 6 Wi-Fi can't be turned on while displays grey.- 6月 20 週三 201819:25
How to fix iPhone 5S fingerprint fault
Fault description: iPhone 5S fingerprint happens intermittent faultsWe may need to disassemble it and get the home button, check whether the IC happens fault, then let us start.
- 6月 14 週四 201819:16
How to solve iPhone 5S charging fault
The charging problem is not strange for us, but if it really happened on you, it will be a frustrating thing. The power drains fast and you can't do any long time process on your device, so it is still necessary to repair it.- 5月 11 週五 201819:42
How to check iPhone 6S Plus display and touch fault while solve it
Fault description: iPhone 6S Plus occurred touch panel fault According to our ever experience, it is great possibility to be caused by IC fault. If you are clear about this part, you may just need to change it, let us start today's analysis.
- 5月 08 週二 201819:42
Fast Diagnostic iPhone 7P backlight fault and Solve it
After read the email, we know jason has shipped his iPhone 7P to us as for the backlight fault.
- 5月 04 週五 201819:40
Wise solution for iPhone 6S volume up button fault
Fault description: iPhone 6S volume up button out of control- 4月 19 週四 201819:53
How to deal different audio part fault ?
After experiencing so many phone fault, we have already recorded too many case in our notebook.
- 4月 11 週三 201819:30
Deal iPhone 6P Boot Fault Carefully
Fault Description: iPhone 6P can't turn on.After each phone was sent to us, we will ensure the fault and check which tool we will use. Of course, we also have dealt similar fault like this, but same fault don't mean the same sources fault. We still need to check it carefully.
- 4月 04 週三 201819:47
Fast Fix iPhone 6 Charging Failure
According to the attached file, we know there exist a unresponsive when plug in charger and we also have checked the charging interface, no anything shows in it.We direct test the battery seat voltage B+ with Fluke 15B+ Digital Multimeter, it displays 0.46V, there is no voltage can directly exlcude the battery problem. Test battery resistance B+385 which shows normal, disassemble the single board. There exist a test point below the battery interface, if the value shows 5V, it means there no problem with the tail plug. So we have to continue the testing.
- 3月 29 週四 201819:02
Easy Solution for iPhone 7 Camera Failure
After we confirmed the fault, the first step we do still is to check the current and find which components caused the fault, the detail repair process as following:
The PP1V8_UT (1.8V), PP3V0_UT_SVDD (3.0V) can be measured after turning on the iPhone 7 device, however, the PP2V8_UT_AF (2.8V, PP2V9_UT_AVDD aggregation voltage) (2.9V), PP1V2_UT_VDD (1.2V) these three circuits of power supply only can be measured when the iPhone 7 camera under good state, the PP2V9_UT_AVDD circuit power supply is provided by the U2501, the U2501 is very easy to cause camera working abnormally. The best solution is to take the U2501 off and short connect by jumper wire to solve the problem.
The PP1V8_UT (1.8V), PP3V0_UT_SVDD (3.0V) can be measured after turning on the iPhone 7 device, however, the PP2V8_UT_AF (2.8V, PP2V9_UT_AVDD aggregation voltage) (2.9V), PP1V2_UT_VDD (1.2V) these three circuits of power supply only can be measured when the iPhone 7 camera under good state, the PP2V9_UT_AVDD circuit power supply is provided by the U2501, the U2501 is very easy to cause camera working abnormally. The best solution is to take the U2501 off and short connect by jumper wire to solve the problem.