[EASY STEPS] Fix SIM Card Error On Samsung Galaxy J5 / J7

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SIM Card Removed – The Mobile network will be unavailable until you restart with a valid SIM card inserted. fix sim card error – fix sim error for samsung galaxy j5 / j7
Please try this simple method and let’s know if this works for you!
Please switch off your phone. Now press and hold three buttons at the same time : Power Button+Volume Up button+Home Button. Please make sure that all three keys are long pressed at the same time! Now you will Android is installing updates. after that you’ll get an error “no command”. Just ignore all these and wait until you get another window. You have to select “wipe cache partition”. You can use volume up and down keys for navigation between the options. Use the power button to select an option! Now please chose YES and it’ll wipe out the cache partition. Now restart your phone and the problem should be fixed! Your data will not be deleted!

Works on Samsung Devices:
S7
S7 Edge
Note 5
Note 6
on5,
on7,
j2,
j3,
j5,
j7,
a5
a7
note 4,
note 5,
J200F,
J200G,
J200GU,
J200H,
J200M,
J200Y,
J5007,
J5008,
J500F,
J500FN,
J500G,
J500H,
J500M,
J500NO,
J500Y,
J7008,
J700F,
J700H,
J700M,
J3109,
J320F,
J320H
J320P,
A7000,
A7009,
A7009W,
A700F,
A700FD,
A700FQ,
A700H,
A700K,
SGH-A597,
A5000,
A5009,
A500F,
A500F1,
A500FQ,
A500FU,
A500G,
A500H,
A500HQ,
A500K,
A3 (CONFIRMED MM UPDATE)
A9
sm-a710m

Note: This method work on Android, Blackberry and Nokia.

Source: Youtube