Go to Settings, search for Network/ SIM/ Internet. You can also type Data or Data Saver in the Settings menu to quickly to the desired sub-menu.
STEP 1
STEP 2
Tap the Settings icon next to the service provider's name under Internet.
STEP 3
Scroll down and select Data warning & limit.
STEP 4
Tap on Mobile data usage cycle, and you will be able to set the duration of your data use cycle.
STEP 5
Tap on the Set data limit option to enter the data limit.