Why my SIM network is not working?
Sometimes dust can get between the SIM and your phone causing communication issues, to remove the dust: Turn off your phone and remove the SIM card. Clean the gold connectors on the SIM with a clean lint-free cloth. Replace the battery and turn your phone on without the SIM.
How can I improve my data connection?
Use a Signal Booster Some hotspots and almost all phones don’t have external antenna ports. If you are using a phone, the best option for improving data rates is a signal booster. Cell phone signal boosters amplify your signal, increasing the signal strength (RSRP).
Is your internet suddenly moving super slowly? It might be due to an outdated router or a less-than-ideal router location. Your connection issues may need only an easy fix, like upgrading to a mesh network or simply restarting your modem and router.
How do I refresh my cell signal on my iPhone?
Airplane mode acts as a reset for cellular signal. Rather than completely powering off your iPhone, you can switch Airplane mode on and off to see if signal improves. Turn Airplane Mode on and wait five seconds. Then, tap the Airplane Mode button again to reestablish that cellular connection.