how to enable only 4g jn my phone
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I have samsung f40 and vi sim and ##3646##not working in my samsung phone to put my phone setting only in 4g band like jio .
Pls help because while using internet my 4g change to 2g automatically for few seconds.
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https://www.desidime.com/discussions/how-to-enable-only-4g-jn-my-phone?page=1#post_7590459
Not working in samsung
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https://www.desidime.com/discussions/how-to-enable-only-4g-jn-my-phone?page=1#post_7590625
@asing i think problem is with Vi not in your phone. Try with airtel or jio sim.
P.s – is VoLTE icon showing near network bar?
https://www.desidime.com/discussions/how-to-enable-only-4g-jn-my-phone?page=1#post_7591585
Yes bolte is showing
https://www.desidime.com/discussions/how-to-enable-only-4g-jn-my-phone?page=1#post_7592008
Not supported natively.. Have to use third party software..
Download True caller and then dial the code in its dialer..( go ogling result)
https://www.desidime.com/discussions/how-to-enable-only-4g-jn-my-phone?page=1#post_7592039
In true caller also not work after dailing code it push back to home
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Try star#star#4636#star# star