iPhone 7 Plus can’t enter the system infinite recovery mode for repair

iPhone 7 Plus can not enter the system infinite Recovery mode,Reballing,Nand after the fault is perfectly repaired.

iPhone 7 Plus can’t enter the system infinite recovery mode for repair

Machine model: iPhone 7 Plus
Fault:Update System can pass, but mobile phone can not enter the system, unlimited Recovery mode

Maintenance process:Update System can be passed, but Recovery mode cannot enter the system all the time.i4 soft exits Recovery mode, and it will enter Recovery mode immediately.

iPhone 7 Plus can't enter the system infinite recovery mode for repair

iPhone 7 Plus can’t enter the system infinite recovery mode for repair Figure 1.

Infinite Recovery mode also has the phenomenon of machine running card. Judging that Nand may have problems, take down Nand directly.

iPhone 7 Plus can't enter the system infinite recovery mode for repair

iPhone 7 Plus can’t enter the system infinite recovery mode for repair Figure 2.

Take down Nand, clean PAD, directly redo Nand and Update System.

iPhone 7 Plus can't enter the system infinite recovery mode for repair

iPhone 7 Plus can’t enter the system infinite recovery mode for repair Figure 3.

After Reballing Nand,Update System has been completed, successfully entered the system, and the maintenance is completed.

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iPhone 7 Plus can’t enter the system infinite recovery mode for repair Figure 4.