SKU: 77078601617

BY U301 ROM Assistant MacBook USB_C Chip Data Read Write Repair Tool

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Description

BY U301 ROM Assistant MacBook USB_C Chip Data Read Write Repair ToolBY U301 Data Backup Write Read Assistant Tool for MacBook. BY U301 Data Assistant suppoor read and write USB_C ROM chip data, write the ROM chip data (CD3215 and CD3217). U301 Features: 1. Used to read and write USB_C ROM chip data (CD3215 and CD3217) 2. U301 contains the original ROM data of the 2016 2020 USB_C chip, a total of 26 3. The Type_C circuit of the MacBook adopts the 5V 20V boost process. If the ROM data of USB_C is damaged, the

BY-U301 Data Backup Write Read Assistant Tool for MacBook. BY-U301 Data Assistant suppoor read and write USB_C ROM chip data, write the ROM chip data (CD3215 and CD3217).

U301 Features:
1. Used to read and write USB_C ROM chip data (CD3215 and CD3217)
2. U301 contains the original ROM data of the 2016-2020 USB_C chip, a total of 26
3. The Type_C circuit of the MacBook adopts the 5V-20V boost process. If the ROM data of USB_C is damaged, the motherboard will only have a 5V power supply.
4. When the power supply of the MacBook motherboard changes from 0V to 5V, it means that the USB_C ROM data is damaged.
5. Use the U301 tool to write the ROM data of the corresponding model, so that the motherboard power supply is normally boosted to 20V

Applicable models:
1. Applicable to all MacBooks with Type_C interface from 2016 to 2020
2. The USB_C chip of the MacBook from 2016 to 2018 uses CD3215
3. The USB_C chip of MacBook from 2019 to 2020 uses CD3217

The board number, ROM chip and year corresponding to the machine
A1706 820-00239-A U2890, A1706 820-00239-A UB090 2016
A1706 820-00923-A U2890, A1706 820-00923-A UB090 2017
A1707 820-00281-A U2890, A1707 820-00281-A UB090 2016
A1707 820-00928-A U2890, A1707 820-00928-A UB090 2017
A1708 820-00875-A U2890 2016
A1708 820-00840-A U2890 2017
A1932 820-01521-02 U2890 2018
A1989 820-00850-A U2890, A1989 820-00850-A UB090 2018
A1990 820-01041-A U2890, A1990 820-01041-A UB090 2018
A1990 820-01814-01 U2890, A1990 820-01814-01 UB090 2018
A2141 820-01700-A U2890, A2141 820-01700-A UB090 2019
A2251 820-01949-07 U3060, A2251 820-01949-07 UB260 2020
A2159 820-01598-A U2890 2019
A2179 820-01958-A U3060 2020
A2289 820-01987-06 U2890 2020
A2337 820-02016-A UF260 2020
A2338 820-02020-A UF260 2020

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77078601617

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Ron
New York, US
★★★★★ 5
Excellent soap by any measure!
Excellent soap great smelling feels fantastic on your skin and love the different smells and textures . This is my third purchase over the past year and well worth it.
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Reviewed in the United States on May 10, 2026
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Demonseed1240
Fort Morgan, US
★★★★★ 1
Just say No
Absolutely terrible, not worth the money. Had to buy these because my normal product was out. Very disappointed and will not buy them again.
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Reviewed in the United States on December 28, 2025
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martin
Lexington, US
★★★★★ 5
Great multi pack soap for all needs
I love this soap multipack, they all smell great and lather really well. They is a soap for every need in here, whether you need a soap to brighten dark marks or a soap with a great scent or hydrating, this pack has it. My skin feels good, not too dry but at the same time not too greasy or that feeling of residual stuff. Overall great quality soaps.
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Reviewed in the United States on January 23, 2026
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Verified Purchase
Nope
West Palm Beach, US
★★★★★ 5
Hands Down the Best Study Bible Available Today
Format: Imitation Leather
I own several MacArthur study bibles and they never fail to impress me. He was one of the best modern scholars in the world and his wealth of knowledge shows in these study bibles. From the very beginning he offers short lectures on how the Bible came to be, why we should read it, how to study it and then we dive in and his teachings are nothing short of fascinating and inspiring. Now, these bibles are of course big and heavy, it’s not a church bible by all means. But perfect for your personal studies at home or for a Bible study group. His notes are the perfect guidance to aid you becoming richer in your understanding of the scripture and the Gospels. The pages are vibrant and the text is easy to read, including the notes, however some might need magnification. Again they are large and a bit heavy just so you know. However they contain a wealth of knowledge that few other study bibles offer. I wholeheartedly recommend this or any of the MacArthur study bibles. For yourself, for a gift, for anyone who wants to go deeper on Gods word. The price is right and well worth it.
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Reviewed in the United States on January 18, 2026
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Nyssa
Draper, US
★★★★★ 5
A Treasure for Serious Bible Study
Format: Imitation Leather
I couldn’t be more pleased with the MacArthur Study Bible, 2nd Edition in soft leather. From the moment I opened it, I could feel the quality—the soft, supple leather cover is elegant yet durable, and it feels wonderful in the hands. The craftsmanship is excellent, making it a Bible I know will last for years. The content is truly where this Bible shines. John MacArthur’s study notes are incredibly thorough, rooted in sound doctrine, and provide rich historical and theological context. The introductions to each book, cross-references, and maps have deepened my understanding of Scripture in ways I didn’t expect. This isn’t just a Bible for casual reading—it’s designed for believers who want to grow in knowledge and truth. I also appreciate the clarity of the layout. The font is readable, the notes are organized well, and there’s enough margin space for light note-taking. Whether you’re a pastor, student, or someone who simply wants to dig deeper into God’s Word, this Bible is an invaluable tool.
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Reviewed in the United States on June 30, 2025

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