DL400 Pro Intelligent Screen Tester for iPhone 6-17 Pro Max, Samsung, Huawei, Xiaomi, OPPO, VIVO, Motorola, Transsion, SHARP AQUOS, iPad and Apple Watch. DL400 Pro multi-function LCD screen tester with 2.8-inch large digital display to show power-on information, test screen information, current and voltage information, original color (true tone) repair, test display, test touch and test 3D. Comprehensively detect screen display problems, quickly configure display test pictures, and detect screen hidden problems.
EDP Board 2nd Generation: used with DL400Pro for iPhone 13 Pro/13ProMax-17 Pro/17 Pro Max.
Compared to the first-generation EDP board, the second-generation EDP supports more solutions (more assembly brand screens, such as DDP, etc.).
Features:
1. 3D Touch test: The 3D Touch function can be tested on the touch test interface. The user presses anywhere on the screen to generate a pressure value. As the pressure value increases, the screen changes from a small red square to a large green square.
2. Original color repair (True Tone repair): DL400 Pro Smart Screen Tester supports the original color repair to make the display more vivid. Continuously upgrade the compatible version, remote upgrade without burden, strong stability, support reverse charging and data transmission.
3. Touch test: There are two methods: simple test mode and track test mode.
4. Simple mode: The simple test mode is specially designed for factories, press counterclockwise to draw a circle along the edge of the touch to test whether the touch is good or bad.
5. Trajectory mode: In the trace test mode of DL400 Pro Smart Screen Tester, you can check the accuracy of the touch point and whether the point is falsely reported through the "touch position cross display function", and you can also check the follow-up speed and line drawing of the touch line through the "touch tracer display function" shape.
6. For iPhone 6/6P/6S/6SP/7/7P/8/8P/X/XS/XR/XS MAX/11/11 Pro/11 Pro Max/12/12 mini/12 Pro/12 Pro Max/13/13 Plus/13 Pro/13 Pro Max/14/14 Plus/14 Pro/14 Pro Max/15/15 Plus/15 Pro/15 Pro Max/16/16 Plus/16 Pro/16 Pro Max/17/17 Air/17 Pro/17 Pro Max, Samsung, Huawei, Xiaomi, OPPO, VIVO, Motorola, Transsion, SHARP AQUOS and iPad, Apple Watch.
How to change language on DL400 Pro Screen Tester?
1. Turn on the DL400 Pro.
2. Press "Mode" key and "UP" key simultaneously for a short time and release them.
Option (Updated on December 30, 2024):
1. DL400Pro + iPhone 6-16PM screen test flex(34pcs) + EDP Board.
2. DL400Pro screen tester + iPhone 6-17PM screen test flex(38pcs) + EDP Board.
3. DL400Pro + 6-15PM screen test flex(30pcs) + EDP Board
4. iPhone 12-13mini True Tone flex(5pcs).
5. EDP Board + 13P-15PM test flex(6pcs).
6. 104pcs Huawei series LCD test cables.
7. 81pcs OPPO series LCD test cables.
8. 64pcs VIVO series LCD test cables.
9. 76pcs Xiaomi series LCD test cables.
10. 78pcs Samsung series LCD test cables.
11. 29pcs Transsion series LCD test cables.
12. 23pcs Motorola series LCD test cables.
13. 1pcs SHARP AQUOS series LCD test cables.
14. DL400Pro screen tester host
Please note that the DL200 socket cannot be used with the new software. If the tester reported "Unknown FPC" after the update, please use the new DL400 socket.
Please Note:
1. iPhone 12-13 mini True Tone repair flex cables and Apple Watch flex cables need to be selected separately. And the iPhone 13 Pro/13 Pro Max/14 Pro/14 Pro Max/15 Pro/15 Pro Max/16 Pro/16 Pro Max/17 Pro/17 Pro Max screen test flex cable needs to be used with an EDP board.
2. At present, the iPhone 12/13/14/15/16/17 series only supported the reading function.
3. For iPhone 12 and later models, please make sure the iPhone original screen has true tone functions.
4. Read the iPhone original screen code with DL400PRO tester.
5. After the data is read successfully, write data to the new screen.
6. For iPhone 12-14 Pro Max, the default cable is the screen test cable, not the original color read and write cable. The true tone cable needs to be purchased separately.
7. The DL400 pro tester with 4GB storage cannot support iPhone 13 Pro-17 Pro Max, you need to expand the DL400Pro to 32GB, and then it can support iPhone 13 Pro-17 Pro Max. Demo video: https://youtu.be/VC_vgaUI7Y4
8. If you want to use the latest iPhone15 series screen test cable, please upgrade the system to the latest version first.
Software: www.szdianliang.com
Upgrade DL400 Pro: download the latest software to the computer, then there is a red USB flash drive.
http://www.szdianliang.com/xiazai/
DL400Pro_UPDATE_2026_0610:
https://drive.google.com/file/d/1neqEV0uoEBzBc-vOYLJHGQDz-bjv47rv/view?usp=drive_link
DL400Pro_UPDATE_2026_0131: https://drive.google.com/file/d/1XX_J_W9wesHKMcbguSe2vMQpPtZnkzo2/view?usp=drive_link
Parameter:
Model: DL400 Pro screen tester.
Color: Green.
Material: Metal.
Battery capacity: 3460mAh.
Product size: 75*156*12mm.
Input voltage: DC5V-2A.
Charging port: Type-C.
Working humidity: <90%RH.
Operating temp.: -20-85℃.
Storage temp. and humidity: -30-85℃, <90%RH.
Please note:
1. Do not disassemble, repair or modify this DL400 Pro Smart Screen Tester by yourself.
2. Do not expose this product to rain or humidity.
3. Do not subject the product to mechanical shock.
4. Do not expose this product to heat sources, fire sources or high temperature environments, and avoid storing in direct sunlight.
