5G Setting App will help to change network to 5G/4G/3G/2G. It can opens a secret menu where advanced network configurations can be selected.

Features :
* Change network to "5G/4G/3G/2G Only" mode
* Lock to any particular suitable Network Signal like 5G/4G LTE/3G/2G only
* Dual SIM Support
* Advanced network statistics

How to use :
Tap "Phone Info" to enter a hidden setup page. At the bottom of this page toggle "Set Preferred Network Type".
For 2G select GSM only.
For 3G select WCDMA only.
For 4G/LTE select LTE only.
For 5G select NR only.

Notice :
5G Setting App is not working on every phone. Some phone brands block opportunity to force switch network.
5G feature only support Phone with 5G Hardware and 4G feature only support Phone with 4G/5G Hardware.