Hello, this is dwas.
This post covers the one-click Global ROM installation tool for the Xiaoxin Pad Dimensity series (12.7 / 12.1 / 11), along with the video titled "Why Installing and Updating the Latest Xiaoxin Pad Global ROM in 2026 Is So Easy" and the "LPMBOX Error List and Solutions" guide.
[LPMBOX Setup Guide]
[⚠️ Important]
Please make sure to use the cable linked in the pinned comment or in the main post.
Recommended USB Data Cables for Global ROM Installation |
|||
|---|---|---|---|
| Option | Price (USD) | Store | Link |
| 1m | $13.99 | Amazon | Buy Now |
| 1m | $7.89 | Amazon | Buy Now |
| 1m | $2.35 | AliExpress | Buy Now |
| 1m | $2.00 | AliExpress | Buy Now |
Global ROM Compatibility |
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|---|---|
| Category | Model Name |
| Devices Supported by LPMBOX |
Xiaoxin Pad Pro 2025 (TB375FC, TB373FU) |
| Xiaoxin Pad 12.1 2025 (TB365FC, TB361FU) |
|
| Xiaoxin Pad 2025 (TB335FC, TB336FU) |
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| Devices Not Supported by LPMBOX |
Xiaoxin Pad Pro 2023 (TB371FC) |
| Xiaoxin Pad 2024 (TB331FC) |
|
| Legion Y700 Series (TB320FC–TB322FC, Gen 1–Gen 4 ) |
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| LTBOX Supported Devices |
Xiaoxin Pad Pro GT (TB710FU) |
| Yoga Pad Pro / Yoga Pad Plus (TB520FU) |
|
| Legion Y700 2023~2025 (TB321FC–TB322FC, Gen 2–Gen 4) |
|
Pre-Installation FAQ |
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|---|---|
| Question | Answer |
| 1) What software version should my tablet be on before I start? | Please follow the guide exactly as shown, regardless of the version. ※ It does not matter even if your tablet is already on the latest version. |
| 2) Which cable should I use? | ① Daiso (budget option) ② Coupang (A to C) ③ Coupang (C to C) ※ Please prepare one of the two recommended cable types before starting. |
| 3) My tablet already has partial Korean localization or Google apps installed. Do I still need to factory reset it? | No. That is not necessary. |
| 4) Does storage size matter? For example, 128GB or 256GB? | No. Storage size does not matter. Both 8GB / 12GB RAM and standard / AG models are also supported. |
| 5) Can I use a laptop instead of a desktop PC? | Yes, as long as it is running Windows 10 or later. (MacBook and macOS are not supported.) |
| 6) The USB debugging prompt is not showing up. | ① Make sure USB debugging is enabled (see 0:28). ② Disconnect the cable from the tablet and plug it in again. ③ Restart both the tablet and the PC or laptop, then check again. ④ If needed, try again with one of the recommended cables listed in the pinned comment. |
| 7) My model number does not appear in the Software Fix program. | ① Search for TB375FC as TB373FU. ② Search for TB365FC as TB361FU. ③ Search for TB335FC as TB336FU. ※ Please check the pinned comment on the video for file download links. |
Installation Troubleshooting |
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|---|---|
| Issue | Solution |
| 1) VCRUNTIME140.dll or MSVCP140.dll is missing, so the program will not run. | Watch the video guide |
| 2) The Software Fix program will not open or stays on an infinite loading screen. | This is usually not a serious problem. |
| 3) I cannot power on the tablet. | Press and hold Power + Volume Up + Volume Down together for 6 seconds, then press the Power button to turn the tablet on. |
| 4) There is no compressed file inside the RomFiles folder. | ① Delete the RomFiles folder, then download the firmware again through Software Fix. ② If you see the message "Resource is unzippping...", close the Software Fix program by clicking the X button in the top-right corner. ③ Check whether the compressed file is present. (If it is still missing, repeat the same process.) |
| 5) BROM protocol error. Check device environment. | ① The cable may be faulty. ② If you are using a desktop PC, connect it to a rear USB port. (This does not apply to laptops.) ③ If the issue continues, try again with one of the recommended cables listed in the pinned comment. |
| 6) Error occurred, please contact tool owner | ① While the cable is connected, press and hold Power + Volume Up + Volume Down together for 6 seconds, then turn on the tablet. ② On your PC or laptop, click Read PT, then tap Restart on the tablet. (This is the ⟳ icon on the right side of the tablet's power-off screen.) ③ If the issue continues, try again with one of the recommended cables listed in the pinned comment. |
| 7) DA data checksum mismatched. 0x786C != 0x0 | ① Press and hold Power + Volume Up + Volume Down together for 7 seconds. ② Press the Power button to turn the tablet on. ③ Start over and follow the video guide again from the beginning. |
| 8) This firmware version is known to have bugs or other issues. | ① In the pinned comment of the LPMBOX guide video, click "See more" and download the firmware listed in the "File Download" section. ② Extract the file, move the image folder into LPMBOX, and then continue with option 1. |
| 9) After downgrading or installing the Global ROM, the tablet boots into the recovery screen. (Try again / Factory data reset) |
① Please refer to Recovery Video 1. ② Please refer to Recovery Video 2. ③ After the Global ROM boots, please continue with the remaining setup as well. ※ Please follow the steps in order. |
| 10) Unknown error occurred, please contact tool owner | ① Reinstall the MTK driver → delete the tools folder inside the LPMBOX folder → run LPMBOX again and try once more. ② During the country code change step, disconnect the cable, then reconnect it while holding the Volume Up button (Preloader guide). ③ If the same error still appears, try the cable recommended in the pinned comment or the article, or try again on a different PC or laptop. |
| 11) The "Allow USB debugging" popup does not appear. | Please restart both the tablet and the PC or laptop, then try LPMBOX again. |
| 12) The firmware installation failed. (Infinite reboot loop) | ① Run LPMBOX → Additional Options → then try reinstalling the firmware. ② If the same issue continues, try the cable recommended in the pinned comment or the article, or try again on a different PC or laptop. |
| 13) data_mux receive timeout or canceled. | Please purchase and use the cable recommended in the pinned comment or the article, then try again. |
| 14) This model is not supported by LPMBOX. | Please restart both the tablet and the PC or laptop, then try LPMBOX again. |
Post-Installation FAQ |
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|---|---|
| Question | Answer |
| 1) The tablet is stuck in an infinite reboot loop. (Bricked) | ① Please refer to the Fastboot guide (from 8:39 to 9:16). ② After putting the tablet into Fastboot mode, go to the LPMBOX folder → tools folder → platform-tools folder. ③ Please refer to the current slot guide (from 9:22 to 10:26). ④ After the Global ROM boots, please continue with the remaining setup steps as well. ※ Please follow the steps in order. |
| 2) Will there be any issues with Widevine, Netflix, Coupang Play, or similar streaming services? | If you follow the video carefully without skipping any steps, there should be no issues. |
| 3) I installed the Global ROM. How do updates work, and are they required? | ① Devices running the Global ROM can only be updated through a PC or laptop. ② Updating is optional. It is entirely up to you. ③ In the Software Fix program, download the firmware file → extract it → move the image folder into LPMBOX → run the program → then continue with option 2. |
| 4) I see a message saying System UI has stopped, and the tablet boots into recovery. | ① Download the firmware file in the software repair program. ② Extract it → move the image folder into LPMBOX. ③ Run the Start program → connect the device → then continue with option 1. |
| 5) After downgrading or installing the Global ROM, the tablet boots into the recovery screen. (Try again / Factory data reset) |
① Please refer to Recovery Video 1. ② Please refer to Recovery Video 2. ③ After the Global ROM boots, please continue with the remaining setup as well. ※ Please follow the steps in order. |
| 6) Where can I download the debloat tool for removing unnecessary apps? | The program is currently in development. Once it is finished, I will introduce it in a video. |
| 7) Red State Device Cannot Boot. Enter Repair Mode. Dismiss After 5 Seconds | Please send me a message at http://pf.kakao.com/_HHVmG. Thank you. |
If you run into any other problems or errors, please leave a comment on the YouTube video and I will add them here.
Thank you, as always, for your support. Have a great day :)