BY-T203 Data Assistant for MacBook Bypass iCloud Activation Lock Repair

BY-T203 Data Assistant for MacBook Read Backup Repair

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BY-T203 Data Assistant for MacBook Bypass iCloud Activation Lock Repair


1. T203 is mainly used to unlock the ID activation lock that appears on the activation interface of the Macbook with T2 chip

2. When T203 is used to remove the ID activation lock, it can also be used to determine whether the T2 ROM data is damaged and the failure to boot is caused.

Activate ID lock Function

1. When the Macbook you are using forgets the ID password and refreshes the system again, the ID activation lock will appear on the activation system interface. If you forget your ID account and password, you will not be able to activate the system.

2. If the Macbook has an EFI lock and a PIN code lock, after erasing and restoring the system through the "Apple Configuration 2" software, an ID activation lock will appear on the activation system interface

3. When the Macbook you bought is second-hand, and the system has logged in the ID and turned on the search function, if the system is reinstalled, the ID activation lock interface will appear.


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)


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

It works but not correctly. The device changes the serial number of the board and it works fine but if the customer has to restore via configurator 2 it revert back to Activation Lock and you need to go through the whole process again. You can't use the original serial number as the device won't program the ROM and gives you an error.

LCD Screen Grades

ConditionDescriptionLCDGlassFlex CableFrameAppearance Intactness
Aftermarket BasicChina LCDJKAftermarketAftermarketAftermarketNew
Aftermarket StandardFlex Cable ReplacedOriginalAftermarketOriginalAftermarketNew
Aftermarket SelectedGlass ReplacedOriginalAftermarketOriginalAftermarketNew
Original PullsPull From Used DevicesOriginalOriginalOriginalOriginalNew Alike
OriginalOriginal Equipment ManufacturerOriginalOriginalOriginalOriginalNew

In Union Repair store, we grade our iPhone screen into 5 different types of quality on the basis of different material assembled. The following is the full details of each condition.


After Market Basic

It is with widely accept major complaint replacements for original parts, which keeps a right balance between price and quality. It has sustainable supplying chain in China, and all the components of the screen are copy quality. Typically, the LCD screen is from several different factories, the most popular 4 on China market are JK,AUO, LongTeng, and ShenChao. By comparing the brightness and sharpness of the LCD, we found JK is the best quality among them and the second best is AUO. No doubt, the other components on the screen are all copy.


After Market Standard

It is better than After Market Basic cause it comes with original laminated flexes and the LCD panel. Other components like touch panel, frame(hot pressed), backlight, polarize lens, and OCA is all copy from different factories.


After Market Selected

The core components (like LCD and flexes) is 100% original pulled from used iPhone while the frame and touch panel is copy. The touch panel and frame come together with cold pressed glue and assembled together with the LCD by the capable third-party factory which keeps its excellent quality. 


Original Pulls

No doubt, it is tear down from used iPhone with all the parts 100% original and working perfectly just like an original new screen, it has whatever the original new screen has. The only complaint about this quality is that some of the displays are with 1 or 2 scratches but still be welcome by our critical customers who are requiring good quality.


Original New

It is 100% original from Apple-authorized factories like Toshiba, Sharp, and LG. We get this kind of screen from the first level dealer. The touch panel of the screen is oleophobic coated which prevents from fingerprints when using your iPhone. And starting with iPhone 7g, the backlight from different authorized factories comes with a different code. Backlight from Sharp has the code begins with DKH/CON, from Toshiba begins with C11/F7C/FZQ, from LG begins with DTP/C3F. 



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