How to repair Battery data warning on iPhone iPhone XS-12 Pro Max

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Guide - How to repair Battery data warning on iPhone iPhone Xs / Xs Max / XR

Requirements: Spot welder, Replacement Battery, QianLi iCopy or JC ID V1S, W103A Bench Supply Power Cable.


  1. Remove original battery from phone, take off battery BMS flex from battery, and do not break the flex in the process
  1. Get replacement battery, choose good brand like Aplong battery. Remove BMS flex from replacement battery.
  1. Use spot welder to attach original BMS flex to replacement battery cell.
  1. Use QianLi iCopy tool with QianLi QR Helper software or JC ID V1S and JC Helper software to write new battery data below:

    Charge Cycle = 1
    Capacity = 100%
  1. Use battery activator or bench supply to activate battery. (Google this lots of videos on YouTube)
  1. Use bench supply and iPhone DC battery cables for bench supply to power on the iPhone and this will use exploit we need in iOS to create a needed flaw in software, once powered on it will show the battery warning still.

    Power off phone and remove dc power.
  1. Connect replacement battery and job is now complete, to confirm is all ok, go in settings and now you will see the battery warning is gone :) and also you can see battery health as normal.

Guide - How to repair Battery data warning on iPhone iPhone 11 / 11 Pro / 11 Pro Max / 12 / 12 Pro / 12 Pro Max / 12 Mini

Requirements: Spot welder, Replacement Battery, QianLi Copy Power and QianLi Copy Power Flex (or JC ID V1S and Their Battery Flex), W103A Bench Supply Power Cable.

  1. Remove original battery from phone, take off battery BMS flex from battery, do not break the flex in the process
  1. Get replacement battery, choose good brand like Aplong battery. Remove BMS flex from replacement battery.
  1. Use Qianli Spot welder to attach original BMS flex to replacement battery cell.
  1. Connect SPECIAL COPY POWER BATTERY FLEX to original battery BMS flex, then Use QianLi Copy Power Tool, and QianLi QR Helper software to write new battery data below:

    Charge Cycle = 1
    Capacity = 100%
  1. Use battery activator or bench supply to activate battery. (Google this lots of videos on YouTube)
  1. Use bench supply and iPhone DC battery cables for bench supply to power on the iPhone and this will use exploit we need in iOS to create a needed flaw in software, once powered on it will show the battery warning still.

    Power off phone and remove dc power.
  1. connect replacement battery along with the copy power flex still attached and job is now complete, to confirm is all ok, go in settings and now you will see the battery warning is gone :) and also you can see battery health as normal.

    More information and repair tools conntact China phonefix

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