Causes of the 'Unable to Make Calls on iPhone' Error
The 'unable to make calls on iPhone' error (error of no service on iPhone) is when your device cannot make calls, receive messages, or pick up any messages from anyone else. Not only that, when encountering this error, you may even be unable to use internet-connected applications. This is one of the hindrances preventing users from continuing to use iPhone products. It can occur on the smartphone you are currently using or even on a newly purchased one. The reasons below will lead to this error, let's explore together.Phone account out of credit
The first possible reason is undoubtedly that your account is out of credit. The use of online calls such as Zalo, Messenger... makes us almost forget about topping up the traditional phone credit. Therefore, when making a call, you may receive notifications from the station: 'Your subscription does not have enough credit to make this call.'
Faulty SIM, incorrect installation, or excessively dirty SIM tray
Sometimes, the error of no service on iPhone originates from incorrectly inserting the SIM or a previously damaged or burnt SIM. Additionally, if you Not cleaning up the SIM slot, letting dust accumulate, will also result in the SIM slot not recognizing the SIM card!
Weak or no phone signal
The disappearance of the signal bar icon on your phone is a clear sign of this situation. If the signal is weak or absent, even if you have enabled 3G/4G network, you won't be able to make calls, send messages, or receive incoming calls!
Blocked subscription number
Congratulations! You've landed on the missed turn square! You might have been on the blacklist of the other party or vice versa. However, this situation could also be due to network restrictions. When unilaterally blocked by the network, you can't make domestic or international calls, nor can you send or compose messages.
Do Not Disturb or Airplane mode is enabled
Sometimes, you accidentally activate these modes on your iPhone without realizing it, and it happens to be one of the reasons many users fall into!
Hardware malfunction error
The presence of multiple background-running applications on the iPhone can lead to conflicts, preventing users from making voice calls. Sometimes, it could also be due to the owner accidentally dropping the phone in water, causing internal components to malfunction. Other reasons that can cause iPhone calling issues include: Mainboard no longer intact, cables connecting to the speaker being severed or stuck in headphone mode,...
Commitment:
Above are the main reasons causing calling issues on iPhone that Mytour has compiled. If you have encountered any other reasons, feel free to share with everyone by leaving a comment below!
- Explore more: Android tips, iPhone tricks.
