4g LTE only: Network switch allows you to switch to LTE only mode by allowing to open a hidden settings menu. Network speed app includes 4G Internet Speed Test, SIM card information, Signal strength and more. This data usage detail app is very helpful.4G/LTE only mode It is depends what phone brand your phone is.Some phone brands block opportunity to force switch network. Features of unlimited 4g data • Switch to 4G only network mode • Lock your phone in 5G/4G/3G/2G stable network signal • Adv