Samsung i9305 no sim problem

[slim1092]

hi m i have a problem with my phone where one of my friend did something on my phone and now it does not recognize any sim cards. i have tried to factory reset but nothing changed.
i read some posts that you have commented and i went to download mode it says
I also tried to do what a site indicated me to do which were Steps to install Android 4.1.2 XXBMD5 Jelly Bean on Samsung Galaxy S3 LTE GT-I9305

and also

Steps to root Samsung Galaxy S3 LTE GT-I9305 on Android 4.1.2 XXBMD5 Jelly Bean

ODIN MODE
PRODUCT NAME: GT-I9305
CUSTOM BINARY DOWNLOAD: Yes (3 counts)
CURRENT BINARY: SAMSUNG OFFICIAL
SYSTEM STATUS: Custom

also does not allow me to update the software after the factory reset
here is a screenshot

can you please help me.

many thanks

PS- the sim card works with other phones. i am from uk

 

[blade2013]

hi ,maybe this app can help you !

https://forums.androidcentral.com/e...?id=com.duoduosoft.signalguard&token=BQorQMDf

 

[LEEFREETH]

did this work as i have the same issue with my phone