Released September 25, 2015. Model A1688/A1633. Repair of this device is similar to previous generations, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 64, or 128 GB / Silver, Gold, Space Gray, or Rose Gold options.

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WiFi not working and funny error

Hi

I got a iPhone 6s from customer, this iPhone has bad WiFi, WiFi cant turn on, i think this is board problem because i replace with wifi antena but no luck, and a funny error:

- If screen turn off, iPhone will dead, need HOME+POwer to back to life.

- If i keep screen never lock, this iPhone will work until zero percent of battery

Please help to slove both error.

Thanks

Answer this question I have this problem too

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Deck the Halls
With tools and Fix Kits

3 Answers

If a WiFi antenna doesn't resolve your WiFi issue then I would certainly place the blame with the Logic board as you said. As far as the other problems go, that is very interesting and I've never seen an issue quite like that. To me it sounds like, since you're also having issues with the WiFi on the logic board, that replacing the Logic board would be the best bet to getting a fix. The only other thing I could think would be an issue with the battery, if you have a spare battery to test it with that might help, otherwise I would say the phone has a bad Logic board.

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I think this board very bad. Replaced with new battery but same error. When iPhone locked, will turn off and need home+power to back to life. But if i keep iPhone never locked, phone will alive until out of energy.

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I would say you want to find a replacement logic board in this case. The phone seems to be draining extra power from the display for some reason and I assume there was some unintentional damage made to the connections or some other part of the board during your initial take apart.

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Hi, thanks. But please advise what IC need to be replaced ?! I want to do myselft.

Btw, please tell what i need to buy to replace WiFi chip .. i have nothing with error iPhone now. Thanks

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Did you try a complete reset, using iTunes "restaure the iPhone" ?

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Yes, but same error :(

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The common problem with 6S wifi module. After someone drop the phone WiFi became gray. You can resolder the WF chip and if this is do not help you can not replace WF module from another phone. even when you install brand new 100% working WF module to the board that was having gray WF problem you never make it work. The reason , because WF module and NAND come toghether, to make WF work you need to remove NAND and reprogramm. For now its impossible soon there is no software to do it with iphone 6S NAND yet

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