New BY-T203 BY T203 iCloud Activation Unlock Tools

New BY-T203 / BY T203 iCloud Activation Unlock Tools T203 U Disk ROM Holder For Macbook Pro Air

The T203 device includes two tools, T203 U disk, and T203 ROM holder.

1. The activation lock unlocking software is written into the T203 U disk, and it supports MacBook with USB interface and Type_C interface.
It is mainly responsible for reading the serial number and machine code of the machine and unlocking the activation lock by analyzing the code.

2. T203 ROM socket is written with T2 ROM data of special equipment and T2 ROM read-write socket.
Mainly responsible for reading and writing T2 ROM data and saving T2 ROM unlock files. (The unlocking data inside the T203 ROM can only be used on the T203 machine. If other devices are used to read and write, it will damage the T2 ROM chip and cause the motherboard to not boot)

Precautions:

The data written inside T203 can only be used on T203 machines. If other equipment is used to read and write, the motherboard will not boot or the T2 chip will be damaged, the supplier will not take any responsibility.

Support Models:
1. Applicable to all MacBooks with T2 chips from 2018 to 2020
2. MacBook Pro 13.3/15.4/16 inches: A1989 A1990 A2159 A2141 A2289 A2251
3. MacBook Air 13.3 inches: A1932 A2179
Board number corresponding to the machine:
A2251 820-01949
A2289 820-01987
A2141 820-01700
A2159 820-01598
A1990 820-01041
A1989 820-00850
A1932 820-01521
A2179 820-01958

T203 Precautions and Usage
1.    After the iCloud activation lock or PIN code lock appears on the 2018-2020 MacBook, do not enter the DFU mode and use the “Apple configurator” software to restore the T2 system.
2.     If you enter the DFU mode to restore the machine with the T2 system, the T203 will not be able to bypass the activation lock normally.
3,For machines that cannot bypass the activation lock normally, only the T2 chip and T2 ROM chip can be replaced by hard solution.
4,According to the new operation method, read the original ROM data, then change the new serial number, write the data back to the ROM chip, and finally use the T203 software to bypass the activation lock.
5. Remember: After changing the serial number and writing back the ROM data, you must not enter the DFU mode to use the “Apple configurator” software to restore the T2 system.