Why does my text message show a different number, or why can’t I send or receive messages?

How to Configure Your Phone’s Access Point Name [APN] Settings

How to Connect to a Wi-Fi Network on iPhone

How to Connect to a Wi-Fi Network on Android

My phone is locked to a specific mobile carrier. What are the steps to fix this issue?

How to Perform a Master/Factory Reset on Your iPhone and Android: Step-by-Step Guide

Wi-Fi On/Off: Step-by-Step Guide for Android and iPhone

Android and iPhone Network Reset Instructions

How do I check if my phone is locked?