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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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iPhone 6s battery replaced now dead

I changed battery on iphone 6s, everything was working perfectly.

Then after a couple of days customer came back, phone was completly dead. The battery was completely drained/discharged, had to jumpstart the battery to get it working again.

Its not the port or cable since multiple customers has complained now. Does anyone know if new IOS update has any issues or has experienced this before?

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Is the replacement used an OEM or a cheaper replacement?

I am going to ignore looking at this in the traditional manner and put my brain to work. What is the machine pictured? I see that battery is new as cycle count is 1 but life is 101% so the iPhone and it's highly complex system is seeing the battery as over full. A machine available in China is a New Battery Reset Maintenance Device for iPhone 7/7 Plus/6s iPad mini Etc. It mentions resetting the battery and regenerating over flat ones.

What I am thinking is that the phone thinks battery is empty or at 1% charge but it is actually full and battery is saving itself from overcharging. Though I am not sure that the overcharge failsafe is built into the actual battery or it is within the phone. The phone is essentially in a state of confusion.

I have a bit more to add so see next reply.

TBC

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I would as a way to force some type of hard reset on an android by fully removing battery and applying power to boot it without a battery which would instantly throw up warnings that NO BATTERY DETECTED.

Then replace battery and apply power to initialize a reset on the battery status to a true state. But we are talking about an iPhone which don't work like that.

I have had similar problems with these batteries as of late and I am thinking that it might be a firmware based protection that apple apply to ensure their monopoly, sorry to ensure the hardware inside is OEM which revolves around guys like us fixing our own stuff because we can. I have used OEM and non OEM batteries and got similar results which is usually good but not always.

I am running a VM of Mac OSX High Sierra within Windows 10 and what I have noticed on boot of that VM is that the OS is constantly verifying the hardware as being a mac which it isnt but the geeks of this world found a way to fool it. And i bet the iphones do the same.

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2 Answers

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Hi Nicolay. We have been seeing a large number of battery complaints on this forum of late. My suspicion is that with the huge, worldwide demand for batteries following Throttle-gate, lot's of really poor quality batteries are making there way through the supply chain that otherwise would not under normal demand.

I have even noticed a large number of complaints regarding iFixit batteries, which are normally a gold standard as far as battery supplier goes. So even if you have a great relationship with your supplier, they may just be seeing some bad batteries slip through.

That's just my humble opinion though :>).

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You might be correct, Minho! I always value your opinion

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The upvote the answers that are helpful :>). This allows people in the future to understand which answers helped solve the problem and adds value to the site. - Thanks

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Are you using quality batteries? I would recommend iFixits batteries. Cheaper batteries can just straight up quit after a while, now a couple days sounds insane for any battery, but that is all I can think of. Also, this may be common sense, but make sure the battery is not bent, damaged, or under extreme heat.

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Yes, same supplyer for many years. OEM with applelogo censored

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