No Power (Full Shorted)
Reasons for shorting in circuit motherboard of Mobile Phones
- The most common reason is phone drenched or fallen in water.
- Handset overheating.
- Trying to use an incompatible or faulty charger for charging
- Sparks or smoke coming out of the handset due to any reason.
- Over charging or using while charging.
Procedure:
1. Checking using multimeter or multitester.
2. Remove the capacitor cause of shorted.
Done:
THIS POST IS FOR REFERENCE ONLY!
Removing NAND IC
NAND, so
called because of its use of NOT AND (NAND) gates, is a type of
non-volatile memory chip that is used in all iDevices. This chip is
where all the storage of the device is located. In the case of iOS, the
chips can range anywhere from 4 GB to 512 GB.
QUICK 990AD
TEMP CONTROL - 350
AIR CONTROL - 3
THIS POST IS FOR REFERENCE ONLY!
No 4G Signal Issue
Signal issues that are caused by
scheduled and unexpected outages are typically get resolved once the
outage ends. But that is not the case with other network signal problems
that are triggered by some other factors. Network signal issues can
likewise yield to other pertinent issues to arise on the iPhone. Without
a stable signal or reception, calling and texting functions are also
affected. This can be very frustrating especially if you are relying
much on your iPhone for personal or business transactions. Unless the
problem is not caused by an outage, any of these network signal issues
has to be fixed as soon as possible.
Procedure:
1. Remove the Power AMP IC (QORVO B100).
2. Cleaned.
3. Put new Power AMP IC (QORVO B100).
Done:
THIS POST IS FOR REFERENCE ONLY!
No Power (Shorted SDRAM)
Reasons for shorting in circuit motherboard of Mobile Phones
- The most common reason is phone drenched or fallen in water.
- Handset overheating.
- Trying to use an incompatible or faulty charger for charging
- Sparks or smoke coming out of the handset due to any reason.
- Over charging or using while charging.
Procedure:
1. Checking using multimeter or multitester (line of SDRAM is shorted).
2. Remove the RAM IC and clean.
3. Put new RAM IC.
Done:
THIS POST IS FOR REFERENCE ONLY!
Error 9
Error 9 is among the error codes that prompt during firmware updates or system restores on iPhones or iPads via iTunes. As described in the Apple support page. To put it simply, the error is actually due to problems in connectivity between NAND IC to CPU.
Procedure:
1. Remove the old NAND IC.
2. Cleaned.
3. Read and write the original details using JC Repair Assistant.
4. Put the new NAND IC.
5. Restore in itunes with latest ipsw.
Done:
THIS POST IS FOR REFERENCE ONLY!
Vibration Not Working
When your iPhone rings, but does not vibrate, it may be because the vibrate function is not turned on, or it could be caused by a problem with the iPhone's. A common problem that iPhone users face is that their iPhone doesn’t
vibrate in silent mode. Other people’s iPhones won’t vibrate when
the ringer is turned on.
Procedure:
1. Remove the M2800 IC.
2. Cleaned.
3. Put new M2800 IC
Diagram:
Done:
THIS POST IS FOR REFERENCE ONLY!
No Sim
Generally,
this error message will appear if the SIM card in your device is not
placed properly. When this happens, your device can’t read the SIM card. But
in some circumstances, the message can also indicate that there are
corruptions within the iOS software that create this error, which block
your device from being able to detect the SIM card in your device. This time sim reader is faulty, just replace it.
Procedure:
1. Remove the old sim reader.
2. Put the new sim reader.
Done:
THIS POST IS FOR REFERENCE ONLY!
