This guide is for educational purposes only. Modifying IMEI numbers is illegal in many countries. Only proceed if you are trying to restore your original IMEI. What You Need Before Starting
Use a tool like Magisk to root your phone to enable Diag Port. Step 2: Enable Diag Port on
Losing the IMEI number on your phone is a deeply frustrating experience. You might see the dreaded “Invalid IMEI” message, or sometimes it just shows up as “null.” Without a valid IMEI, your phone is essentially a Wi-Fi-only tablet—no calls, no texts, no mobile data. If you own a Samsung Galaxy J4 Core (SM-J410F) and are facing this exact issue, you’ve likely come across the keyword “j410f imei repair umt.” j410f imei repair umt
This backup will save you if anything goes wrong.
: This happens when the device security patch is too new for the current software method. To fix this, downgrade the phone's firmware to an older security patch level while maintaining the same binary version. This guide is for educational purposes only
The Samsung Galaxy J4 Core (SM-J410F) is a budget-friendly smartphone powered by a Qualcomm Snapdragon processor. When this device encounters network issues, invalid IMEI numbers, or "Not Registered on Network" errors after a firmware flash or factory reset, repairing the IMEI becomes necessary to restore cellular services.
For the J410F, combination files such as COMBINATION_FAC_FG00_J410FXXU1ARI7 can be downloaded from sources like SamFW, SAMMobile, or specialist GSM forums. Make sure the combination file matches your bootloader version (bit). Flashing a combination file with a lower binary number may brick the device. What You Need Before Starting Use a tool
Go back to Settings, enter , and toggle on USB Debugging .
This technical walkthrough is strictly intended for restoring the original, authentic hardware identity number that came with your specific phone from the factory. Changing a device's unique identifier to disguise a stolen, blocked, or blacklisted handset is highly illegal in most international jurisdictions. Always verify the original tracking number printed under your battery compartment or on the original product retail packaging before initiating any software rewrites. 🛠️ Essential Requirements & Setup Checklist
Carefully type the 15-digit original IMEI number into the IMEI 1 (and IMEI 2, if applicable) fields. 4. Execute the Repair Click the or Start button in the software.
: Ensure you are using the latest version of the module.