How To Upgrade My Mtn Sim To 4g Online?
- Step 1: Go to 'settings' on your phone. - Step 2: Click 'network & internet' - Step 3: Click 'mobile network' - Step 4: Click on Preferred network type & select 4G network.Can I upgrade my device from 3G to 4G?Those who already have a 4G-Ready phone have the option of upgrading their existing 3G plan to a new 4G plan. The situation is different with each operator and we've summarized the details below.Can a phone be upgraded from 3G to 4G?If you're a legacy 3G customer with a 4G-Ready phone you can upgrade to 4G, however doing so...