why my phone not update software ?

[Android Central Question]

i was facing a problem which is my phone not read my sim card so i root it and now its working fine , my phone samsung s7 edge duos , now im not be able to update android software , but i found a way to update the software by using smart switch app .
but i afraid if i update the software my phone return to not read my sim card Again .
so im asking if i update software my phone will crash again ?

 

[belodion]

I don't think anyone can know that. Rooting is not a normal way of fixing SIM trouble.