Dual SIM mode makes it easy for you to choose between SIMs for calls, texts, or internet browsing.
Setting up Dual SIM Mode on Huawei Y3 2017 is as follows:
Step 1: Navigate to 'Settings' and select 'Dual SIM management'.

Select 'Dual SIM management'.
Step 2: Toggle SIMs on or off.

Toggle SIMs on or off.
Step 3: Choose SIM for calls and texts.

Choose SIM for calls and texts.
That completes your setup process. Wishing you all the best in your endeavors.
