Lock 4G / LTE & 5G Switcher & Other Utilities is an Android app developed by Cah Telu Developer. It falls under the category of Utilities & Tools and offers a range of features to manage and optimize your mobile network.

With this app, you can change the settings of your mobile network to 2G, 3G, 4G, or 5G for a single sim. The app also allows you to lock your mobile network to 4G/LTE for a single sim. It is recommended for new Samsung models with OS 9, 10, or 11, as the app does not support dialing *#*#4636*#*#.

Apart from managing your mobile network, the app also provides Android device information such as model, memory, board, etc. Additionally, the app features a ping tester and port scanner for network diagnostics. There are also shortcuts available for developer options and APN settings.

Overall, Lock 4G / LTE & 5G Switcher & Other Utilities is a useful app for managing and optimizing your mobile network, especially if you have a new Samsung model.