BY-U301 Data Assistant for MacBook Read Write Backup Repair
- — 12 months warranty
- — SMS notification
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BY-U301 Data Assistant for MacBook Read Write Backup Repair
Introduction to U301 and applicable models
Introduction:
- 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
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