Infinity EMMC Bad Health Repair Without Jtag - 2023

Infinity Box & Dongle

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Jun 10, 2019
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EMMC Bad Health Repair Without Jtag - 2023



EMMC bad health repair is a process of fixing a damaged EMMC chip. EMMC chips are used in many electronic devices, such as smartphones, tablets, and cameras. When an EMMC chip becomes damaged, it can cause the device to malfunction or even fail completely.

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There are two main ways to repair a damaged EMMC chip: using a JTAG box or without using a JTAG box. JTAG boxes are special tools that allow direct access to the EMMC chip. However, they can be expensive and difficult to use.

Repairing an EMMC chip without using a JTAG box is possible using a software tool called CM2MT2. CM2MT2 is a free and open-source tool that can be used to perform a variety of tasks on EMMC chips, including bad health repair.


How to use it?

To repair an EMMC chip using CM2MT2 without a JTAG box, follow these steps:
  1. Open CM2MT2 and select Firefly mode.
  2. Click Memory Tool > Init Device.
  3. Write the extcsd file to the EMMC chip.
  4. Perform a full flash of the EMMC chip.
Once these steps are completed, the EMMC chip should be repaired and the device should be able to boot up normally.

Important Notes:

  • It is important to make a backup of the EMMC chip before performing any repair operation. This can be done using CM2MT2 or another EMMC repair tool.
  • If the EMMC chip is severely damaged, it may not be possible to repair it. In this case, the EMMC chip will need to be replaced.
  • Repairing an EMMC chip can be a risky process. It is important to follow the instructions carefully to avoid further damaging the EMMC chip or the device.
Note: This method will not work on Samsung EMMC chips.

Disclaimer: I am not responsible for any damage that may occur to your device as a result of following this guide.

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