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We all know how useful the iPhone really is, as we do all sorts of communicating with your loved ones are daily essentials. Although any kind of firmware failure can cause interruptions. Worry no more, with Apple Gadgets Care by your side, you get easy fixes.
| Possible No Modem Firmware Issues | Specific Reasons |
| Sim activation keeps failing | If you have dropped your phone on a major surface, then it’s possible the internal hardware is damaged somehow, leading to dysfunctioning of internal modem firmware. Which caused SIM activation failure. A proper inspection is required to solve this issue. |
| Cellular network bars not showing | Any kind of software glitches, like iOS update failure can suddenly show sudden no bars for your cellular SIM. You can also face no signal bars, if the internal hardware is damaged from drops or fall. |
| No message is incoming | Whenever your iPhone’s baseband chip is damaged somehow, then you will definitely experience no incoming messages. As the baseband chip is responsive for your iPhone’s cellular network connections functioning. So any type of hardware damage will disrupt the incoming messages or calls. A proper inspection is mandatory from a quality technician. |
| Always low cellular connectivity | It’s a common problem if the network connection is low in the area you are living in. Although if the problem persists, then an expert's inspection is needed. |
It’s either the baseband chip of your iPhone is damaged or the area you are in is having lower network connectivity. You can also experience searching for signals if there is hardware damage to your iPhone. A proper inspection is important to inspect the issue.
Due to any kind of internal motherboard damage or baseband chip failure from sudden fall can lead to no service for always. It’s better to check professional help during this time.
Any kind of corrupted iOS update can lead to iPhone activation. You can also face activation failure if Apple’s own server is having a problem. If the problem persists, seek an expert's opinion.