SPECIFICATIONS

Brand Name: gsmjustoncct

Material: other

Model Number: Harmony TP Cable + USB 3.0 Adapter

Origin: Mainland China

Pieces Included: 1

With Magnetic: No

Factory/bootrom mode (FOR HUAWEI USB COM)
service functions are now available on For HUAWEI phones with HarmonyOS!

Here are some of our most used
factory/bootrom mode functions:

FRP and For HUAWEI ID Remove

Modify OEMInfo (Vendor/Country, Disable FW
version check, ...)

Load Factory Fastboot (partially supported;
updates in progress)

And many more...

Supported CPUs: Kirin 710/710A/710F,
810/820, 980/985, 990/990 5G

The Problem

Due to some changes done for Huawei, phones
that are updated to HarmonyOS, would not present the For HUAWEI USB COM serial
port after test pointing. Without the For HUAWEI USB COM serial port Chimera
cannot communicate to these devices in factory/bootrom mode.

The Solution

You need to use a modified USB cable, we
call it the "Harmony TP Cable". If this cable is used, For HUAWEI USB
COM serial port is available and all Chimera factory/bootrom mode service
functions will work on HarmonyOS models.

Important Notes

You still have to test point (this cable
only works if the test pointing is done)

Make sure that you always connect the cable
to the phone first

Make sure, when asked to disconnect you
always disconnect the cable from the computer first

You have to see the For HUAWEI USB COM
serial port in Windows Device Manager. If you cannot see it, most probably the
modified cable is wrong.

FAQ

Why do I see unknown device in Windows
Device Manager?

Most probably you connected the cable to
your computer first. Please make sure that you connect the cable to the phone
first.

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