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Current version by: Ben ,

Text:

Try another charging port dock assembly, you can plug one in and test without needing to install it for charging.
 
You can test charging IC if it works at all by unplugging the battery then plugging the charging cable in. If you get apple logo at least you know the charging IC is working ok, but if the below does not work then it is definitely charging IC.
 
If that does not help and you know that your charging cable and wall adapter are working then the next thing would be is to replace the Tristar charging IC chip.
 
That can be only done by people that do micro-soldering.
 
If you want you can order a replacement charging port from iFixit here:
https://www.ifixit.com/Store/iPhone/iPhone-6s-Plus-Lightning-Connector-and-Headphone-Jack/IF315-001-10
[product|IF315-001-10]
https://www.ifixit.com/Store/iPhone/iPhone-6s-Plus-Lightning-Connector-and-Headphone-Jack/IF315-001-10
[product|IF315-001-10]
 
And here is the guide on how to replace the part:
https://www.ifixit.com/Guide/iPhone+6s+Plus+Lightning+Connector+and+Headphone+Jack+Replacement/54171
[guide|54171]
https://www.ifixit.com/Guide/iPhone+6s+Plus+Lightning+Connector+and+Headphone+Jack+Replacement/54171
[guide|54171]
 
Note that the logic board does not need to be removed to replace the charging port as specified under the comments section of the guide page which is at the bottom of the page.

Status:

open

Edit by: Ben ,

Text:

Try another charging port dock assembly, you can plug one in and test without needing to install it for charging.
 
If that does not help and you know that your charging cable and wall adapter are working then the next thing would be is to replace the Tristar charging IC chip.
 
That can be only done by people that do micro-soldering.
 
If you want you can order a replacement charging port from iFixit here:
https://www.ifixit.com/Store/iPhone/iPhone-6s-Plus-Lightning-Connector-and-Headphone-Jack/IF315-001-10
 
And here is the guide on how to replace the part:
https://www.ifixit.com/Guide/iPhone+6s+Plus+Lightning+Connector+and+Headphone+Jack+Replacement/54171
 
Note that the logic board does not need to be removed to replace the charging port as specified under the comments section of the guide page which is at the bottom of the page.

Status:

open

Edit by: Ben ,

Text:

Try another charging port dock assemblyassembly, you can plug one in and test without needing to install it for charging.
Try another charging port dock assemblyassembly, you can plug one in and test without needing to install it for charging.
 
If that does not help and you know that your charging cable and wall adapter are working then the next thing would be is to replace the Tristar charging IC chip.
 
That can be only done by people that do micro-soldering.

Status:

open

Original post by: Ben ,

Text:

Try another charging port dock assembly.

If that does not help and you know that your charging cable and wall adapter are working then the next thing would be is to replace the Tristar charging IC chip.

That can be only done by people that do micro-soldering.

Status:

open