At times, disruptions or slow internet connection may be due to not selecting the highest network mode for your SIM. Switching to the highest network mode can improve network speed.
To switch network modes 2G-3G-4G on Sony Xperia X, follow these steps:
Step 1: Access 'Settings'.

Step 2: Select 'Add'.

Step 3: Choose 'Mobile Network'.

Step 4: Pick 'Preferred Network Type'.


Wishing you all success.
