BY-U301 Data Assistant for MacBook USB-C ROM Read Write Backup Repair

Product Description

The BY-U301 MacBook USB-C ROM Programmer is a specialized repair tool designed to read, write, and back up USB-C ROM chip data on compatible MacBook logic boards. It supports USB-C controller ROM data associated with CD3215 and CD3217 chips.

The BY-U301 Data Assistant for MacBook contains ROM data for compatible MacBook models from 2016 to 2020. It can be used by technicians for USB-C power and logic-board repair where corrupted USB-C controller ROM data is suspected.

According to product documentation, compatible MacBook USB-C controller generations include CD3215 for many 2016–2018 models and CD3217 for 2019–2020 models. The tool supports multiple board numbers across MacBook Pro, MacBook Air, and other USB-C MacBook models.

Compatible Models

• MacBook A1706
• MacBook A1707
• MacBook A1708
• MacBook Air A1932
• MacBook Pro A1989
• MacBook Pro A1990
• MacBook Pro A2141
• MacBook Pro A2159
• MacBook Pro A2179
• MacBook Pro A2251
• MacBook Pro A2289
• MacBook Air A2337
• MacBook Air A2338
• Compatible USB-C MacBook models from 2016–2020

Compatible Board References

• A1706 – 820-00239-A / 820-00923-A
• A1707 – 820-00281-A / 820-00928-A
• A1708 – 820-00875-A / 820-00840-A
• A1932 – 820-01521-02
• A1989 – 820-00850-A
• A1990 – 820-01041-A / 820-01814-01
• A2141 – 820-01700-A
• A2159 – 820-01598-A
• A2179 – 820-01958-A
• A2251 – 820-01949-07
• A2289 – 820-01987-06
• A2337 – 820-02016-A
• A2338 – 820-02020-A

Product Details

• Product Type: USB-C ROM Programmer / Data Assistant
• Product Model: BY-U301
• Application: MacBook Logic Board Repair
• Main Function: USB-C ROM Read / Write / Backup
• Supported Controllers: CD3215 / CD3217
• Supported MacBook Years: 2016–2020
• Supported Interface: USB-C Controller ROM
• ROM Data: Compatible model data included
• Intended Users: Laptop / MacBook Repair Technicians
• Condition: New Repair Tool

Warranty Details

Warranty: 1 Month Warranty
Warranty Service Type: Replacement Warranty
Warranty Type: Seller Warranty

Important Note:-

• The BY-U301 is a professional MacBook repair/programming tool, not a normal consumer USB-C accessory.
• Please verify the MacBook model, logic-board number, USB-C controller, and ROM requirements before using the tool.
• The tool is intended for compatible CD3215 and CD3217 USB-C controller ROM data.
• The supported model list covers compatible MacBooks from approximately 2016–2020.
• Different MacBook logic boards use different USB-C controller and ROM configurations. Select the correct model/board data before writing.
• Incorrect ROM data or incorrect programming procedures can cause additional logic-board problems. Professional technician use is strongly recommended.
• This product is a repair/programming tool; it does not replace the USB-C controller IC or logic board.
• Product images are for reference only. Actual tool appearance, labeling, accessories, and packaging may vary.
• Warranty does not cover damage caused by incorrect operation, incorrect programming, short circuit, physical damage, modification, or misuse.
• If the product is found to be out of stock after ordering, the payment will be refunded.
• Functionality-related problems reported within the warranty period are eligible for replacement according to warranty terms.

FAQs

1. What is the BY-U301 Data Assistant used for?

The BY-U301 MacBook USB-C ROM Programmer is used to read, write, and back up ROM data from compatible USB-C controller chips such as CD3215 and CD3217.

2. Which MacBook models does the BY-U301 support?

It supports compatible USB-C MacBook models from 2016 to 2020, including A1706, A1707, A1708, A1932, A1989, A1990, A2141, A2159, A2179, A2251, A2289, A2337 and A2338.

3. Does the BY-U301 support CD3215 and CD3217?

Yes. The tool is designed to read and write USB-C ROM data associated with CD3215 and CD3217 controllers.

4. Can this tool repair a MacBook USB-C 5V-to-20V power problem?

The tool can be used to write corresponding USB-C ROM data where corrupted ROM data is the cause of the power-boost problem. However, not every USB-C power fault is caused by ROM data, so proper board-level diagnosis is required.

5. Is the BY-U301 suitable for beginners?

It is primarily intended for professional MacBook and logic-board repair technicians. Incorrect model selection or ROM programming can damage the board, so experience with MacBook board repair is recommended.