[ENG] LTBOX Error List and Solutions

Hello, this is dwas.

 

My sincere thanks to DCInside user “ㅇㅇ” for creating this one-click tool and allowing me to make a guide video about it.

[Sources]

1) Original post by the developer: View Post

2) Developer's Q&A: View Post

 

This post explains the LTBOX error list and solutions for the guide videos covering the Yoga Pad Pro, Xiaoxin Pad Pro GT, the Yoga Pad Pro Global ROM, and the Xiaoxin Pad Pro GT Global ROM.

 

Also, during the AliExpress 16th Anniversary Grand Sale, I have prepared discounted purchase links for Lenovo tablets such as the Xiaoxin Pad, Yoga Pad Pro, and Pro GT,

as well as official pens and cases.

Please check the detailed pinned comment at the link below.

https://youtu.be/AzdiWa0YF-c

[LTBOX 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
Category	Model Name
Devices Supported by LTBOX	Xiaoxin Pad Pro GT (TB710FU)
	Yoga Pad Pro / Yoga Pad Plus (TB520FU)
	Legion Y700 2023~2025 (TB321FC–TB322FC, Gen 2–Gen 4)
Devices Not Supported for Global ROM Installation	Xiaoxin Pad Pro 2023 (TB371FC)
	Xiaoxin Pad 2024 (TB331FC)
LPMBOX Supported Devices	Xiaoxin Pad Pro 2025 (TB375FC, TB373FU)
	Xiaoxin Pad 12.1 2025 (TB365FC, TB361FU)
	Xiaoxin Pad 2025 (TB335FC, TB336FU)

 

Before Installing the Global ROM
Errors and Frequently Asked Questions	Solutions
1) What software version should my tablet be on before I start?	① Please update your tablet to the latest software version before you begin. ② If the updater app is missing, factory reset the tablet → update it to the latest version → then try again.
2) My tablet already has partial Korean localization or Google apps installed. Do I still need to factory reset it?	No. That is not necessary.
3) Does storage size matter, such as 128GB or 256GB?	No. Storage size does not matter. Both 8GB / 12GB RAM and standard / AG models are also supported.
4) 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.)
5) When should I connect the tablet to the PC with the USB cable?	Connect it at 7:40.
6) The USB debugging prompt is not showing up.	① Make sure USB debugging is enabled. 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 above.

 

Errors During Global ROM Installation
Errors and Frequently Asked Questions	Solutions
1) LTBox needs administrator privileges to run. Please restart LTBox as administrator.	Right-click the Start file → then choose “Run as administrator.”
2) The Software Fix program is stuck on an infinite loading screen.	Please refer to the solution guide. ※ If the same issue still happens, try using another PC or laptop.
3) Rollback index not found. This may happen if your device firmware is on an early version.	① Settings → bottom of the left menu → General settings → scroll down on the right → Reset options → Erase all data ② Then go back to Settings → bottom of the left menu → About tablet → System update → update to the latest version → then try again.
4) Which option should I choose when installing the Qualcomm driver?	Check “WWAN-DHCP is not used to get IPAddress” and then click Next.
5) VCRUNTIME140.dll or MSVCP140.dll is missing, so I cannot continue.	Please refer to the solution guide.
6) 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.)
7) Unexpected error: [!] Missing 'rawprogram*.xml' / 'patch*.xml' in 'image'.	① Delete C drive → Lenovo folder → RomFiles folder. ② Download the firmware again through Software Fix. ③ If Software Fix shows “Resource is unzipping...”, force close the program. ④ Delete Lenovo folder → RomFiles → firmware folder. ⑤ Extract the compressed file. ⑥ Open the folder and follow the instructions from 7:05. ※ If you are not sure, follow this video only up to 7:01.
8) It gets stuck at “Uploading programmer to COM0...”	Please install or reinstall the Qualcomm USB driver. ※ See “4) Which option should I choose when installing the Qualcomm driver?”
9) When changing the region code, typing a number at “Select (y/n)” does not respond.	Type y and press Enter → then type the region code number and press Enter.
10) I cannot turn on the tablet, or it will not power on.	Press and hold Power + Volume Up + Volume Down together for 7 seconds, then press the Power button. ※ Do not do this while the program is running.
11) [Step 1] Put the PRC firmware files (vendor_boot.img, vbmeta.img) into the 'image' folder.	① Delete the image folder inside LTBOX. ② Close Software Fix, then delete everything inside Lenovo → RomFiles. ③ Download the ROM files again through Software Fix and wait until everything is fully finished loading, including “Resource is unzipping”. ④ Once loading is complete, close Software Fix. ⑤ Go to Lenovo → RomFiles → firmware → cut the image folder → paste it into the LTBOX folder. ⑥ Then try again from 7:40.
12) Unexpected error: firmware model mismatch	This video only supports the Yoga Pad Pro (TB520FU) and Xiaoxin Pad Pro GT (TB710FU). Please make sure the firmware you downloaded matches your model number. ※ If your model number is TB375FC, TB365FC, or TB335FC please refer to this guide
13) Waiting for EDL (9008)... (Press Ctrl+C to cancel)	Disconnect the cable from the tablet, install or reinstall the Qualcomm driver, then try again from 8:14. ※ See “4) Which option should I choose when installing the Qualcomm driver?”
14) It does not continue at the step “Copying patched files to 'image'...”	Click the window, press Enter, wait for the tablet to boot, then disconnect and reconnect the cable.
15) Error: process aborted, detail: 'target'	① Disconnect the cable from the tablet → reinstall the USB driver. ② Prepare one of the cables linked in the pinned comment, then try again. ※ When reinstalling the USB driver, refer to “4) Which option should I choose when installing the Qualcomm driver?”
16) After downgrading or installing the Global ROM, the recovery screen appears. (Try again / Factory data reset)	① Watch recovery video 1 ② Watch recovery video 2 (Please watch them in order.)

 

Questions After Installing the Global ROM
Errors and Frequently Asked Questions	Solutions
1) Will there be any issues with Widevine, Netflix, Coupang Play, or similar streaming apps?	If you run into any issues, follow these steps in order: ① Install and log in to the streaming app you use (Netflix, Coupang Play, etc.) → reboot the tablet → uninstall and reinstall the app → log in again. ② Open Settings → bottom of the left menu → About tablet → Android version → Google Play system update → check for updates and install them → reboot.
2) I installed the Global ROM. How do updates work, and are they required?	Updates for tablets running the Global ROM can only be done through a PC or laptop. Whether you update or not is entirely your choice. (It cannot be done on the tablet alone.) How to update: Enter your model number in Software Fix → download the files and wait until everything is fully finished loading, including “Resource is unzipping” → move the latest image folder into LTBOX → then use option 2.
3) System UI keeps stopping, apps crash and reboot the device, or the tablet reboots when switching between portrait and landscape mode.	It has been confirmed that the Global ROM firmware for the Xiaoxin Pad Pro GT has a firmware bug. Please obtain an older firmware version and try LTBOX option 1 again. ※ A firmware download link is being prepared.
4) After downgrading or installing the Global ROM, the recovery screen appears. (Try again / Factory data reset)	① Watch recovery video 1 ② Watch recovery video 2 (Please watch them in order.)
5) Where can I download the tool for removing unnecessary apps?	The program is currently being planned and developed. Once it is finished, I will introduce it in a video.

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 :)