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I just got the update a couple of days ago and lost band selection on my S22 Plus. Without it, the phone is unusable in my home. I had to immediately switch back to my old Pixel so I could receive calls again. Worst purchase ever.
Can we downgrade the firmware to previous version?
The new firmware has blocked access to the hidden network settings.
This setting could be accessed using the app you have mentioned or you could access it by using a shortcut creation app. Unfortunately even the shortcut creation app is blocked from accessing it. I myself would use it to set my phone to use LTE only as my phone would always switch back to 3G in my area. I have found a workaround to be able to set the network to LTE ONLY but NOT for BAND SELECTION. To do this, get a shortcut creation app, select ACTIVITIES then PHONE SERVICES then PHONE INFO. Create the shortcut to your phone. When you click on it, scroll down to SET PREFERED NETWORK. Here you can choose from a whole lot, including LTE only.
I only get the 5G symbol if I stand at my front gate by the driveway. As soon as I move towards my house I get 4G+. The speed I get when on 5G is 200mbps. On 4G+ I get up to 180Mbps. Not sure why, but on many occasions my phone would jump back to 3G. That's why I would sometimes need the setting for LTE only.
Add me to the list of victims. I live in a weak coverage area and have to use a repeater to get a good signal. The repeater only repeats certain bands and not others. The phone will periodically jump to a band which is not repeated and lose all signal for a few minutes, eventually it would jump back and start working again. Being able to lock the phone to a certain band fixed this.
I specifically bought a Samsung phone because of THIS feature. I will be specifically buy another NOT A SAMSUNG phone now that the phones are being unilaterally hobbled on purpose by some pencilnecks.
The most devastating issue is before updating my lte band was locked in band 8 now after updating my phone i no longer can change my band and my band is stuck with band 8 and everyone knows when locking in lte band phone and messaging cannot be done and this is happening now. I dunno why this useful feature is stopped and also users whose band was locked now locked forever. Perhaps i have to reset my phone to take my band on default