Samsung M34 mobile band select mode secret code ?

Today 3 September not received any security related update.Month of September I am used may security patch

After update one ui 7 phone battery drain issue and phone hit and lag feel

After update February 2025 security update jio to jio number voice call to video call option not working. not a network issue because same location another device is working.Samsung mobile after update old problem not solved again new problem facing...

Mera M34 5G Mobile mein job WIFI me connect korta Hu. Uske baad wifi to mobile Data switch korne ke baad internet kam nahi korta. Fir se mobile data disconnect korke connect kore to fir network work korta hei..Mera jesa problem kisi or ka hai to bol...