Samsung Galaxy J7: How To Fix No Service Problem

A very common issue on the Samsung Galaxy J7 is that there will be a “No Service” error. This issue is similar to when the Galaxy J7 is not registered on a network and No Signal on the J7 occurs.
 
 
Issues Causing Samsung Galaxy J7 No Service Error
The main reason that the Galaxy J7 No Service error happens is because the radio signal is turned off on the smartphone. This signal sometimes turns off automatically when there is an issues with the WiFi and GPS.
 
How To Fix Samsung Galaxy No Service
The way to fix a “No Service” issue on a Samsung Galaxy J7 is to follow these steps:

1. Go to the Dial pad
2. Type in (*#*#4636#*#*) NOTE: No need to press the send button, it will automatically appear the Service mode
3. Enter Service mode
4. Select on “Device information” or “Phone information”
5. Select Run Ping test
6. Click on the Turn Radio Off button and then the Galaxy will restart
7. Select reboot

 
Fix IMEI Number
When there is a No service error on the Galaxy J7, most of the time it occurs because of a nulled or unknown IEMI number.
 
Change SIM Card
The SIM card can also be an issue causing the “No Service” message and by checking to see if the SIM card in inserted correctly or replacing the SIM card with a new one, this should fix the “No Service” on the Samsung Galaxy J7.