Recover Incomplete APP Data After K_data_update_error
If the machine displays “K_data_update_error,” open Mine → Data Update and download the data again. This error usually appears when APP data loading was interrupted after an upgrade, le...
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One-Year Coverage for the Screen Protector Machine
Yes, the screen protector machine comes with a one-year warranty. The documented support also includes free product consultation services provided by skilled technicians. However, the warran...
Why Cutting Machine Data Updates May Take Time
A data update may take a long time because its download duration depends on the connection speed between the cutting machine and the server, as well as the amount of data being updated. Keep...
India Service Support Is Provided Through Distributors
Yes. Distributors in India currently also act as service centers. If your machine develops an issue, contact the distributor that sold it to you directly. For a machine that is still within...
Restore Material Detection and Auto Loading on a Cutting Machine
When the cutting machine’s sensor malfunctions, the machine may not detect or automatically load the cutting material. If the sensor is completely non-functional, contact your distributor or...
Operate Your Mietubl Cutter Without a Mobile App
Current Mietubl screen protector cutting machines do not support a direct connection to a mobile phone app. All available operations must be completed on the machine’s touchscreen rather tha...
Restore Machine Settings With a Factory Reset
To restore the machine settings, first back up your account information. Restart the device and, as the machine starts up, quickly tap the blue icon 10 times. Then select “Factory Reset.” Th...
Restore Connectivity by Testing the Wi-Fi Network List
Open the machine’s Wi-Fi list and confirm that Wi-Fi is enabled and nearby networks appear. If the list loads normally, forget your network and reconnect with the correct password. If the ma...
Restore Missing Models on a Screen Protector Cutting Machine
If the screen protector cutting machine is not showing phone models, the issue is usually related to software or settings rather than hardware. Incorrect language settings or problems with t...
Why the HDMI-Type Opening Has No Function on the Current Machine
The HDMI-type opening next to the power button is a reserved opening in the machine’s mold. It does not serve a functional purpose and is not active on the current version of the machine. Ma...
Restore Missing New Model Data on Your Cutting Machine
If your cutting machine is not showing new models, update it to the latest available version and then select “My” → “Data Update” to synchronize the newest available model data. Some newly r...
Restore Blade-Down Operation by Replacing the Mainboard
If the blade does not drop properly during cutting, the most likely cause is a malfunctioning mainboard. The blade-down action depends on the Y-axis motor signal sent by the mainboard. When...
Restore Missing Phone Models in the Cutter App
If the machine is not showing phone models, clear the Cutter App’s storage or cache, restart the app, and allow it to download the required data files again. After reopening the app, wait un...
Download and Set Up PrinterServer on Windows
Download PrinterServer directly from https://www.mietubl.com/app/printerserver.rar. Install the software on a Windows computer. For the supported setup, the Windows computer, printer, and cu...
Resolving an Unresponsive Touchscreen Through LCD Replacement
If the touchscreen does not respond, the documented possible cause is an LCD screen failure. Contact your local distributor or the person who sold you the machine for assistance. Before repl...
Creating Irregular Protector Designs for Machine Use
Irregular protector shapes cannot currently be created with the machine’s built-in customization function, which supports only standard screen protector shapes. To create an irregular design...
Restore Phone Models on a Blank Product Page
A blank product page on the screen protector cutting machine may occur when phone models do not load correctly because of incorrect language settings or app data issues. To resolve it, clear...
Restore Missing Phone Models After a Machine Update
If the phone model list is missing after updating the screen protector cutting machine, the documented causes are an incorrect language setting or incomplete app data. Clear the Cutter APP’s...
Technical Support Needs a Clear Video of the Machine Fault
If the machine has stopped working properly, technical support needs to know the exact fault condition before it can provide the correct solution. Record a clear video showing the problem, c...
Restore Phone Models by Refreshing Cutting Software Data
If a screen protector cutting machine cannot load phone models and displays a blank cutting page, clear the app’s cache or storage data and re-download the software data files. Keep the mach...