Why can't I make calls on my cell phone?
Recently, many users have reported that their mobile phones are suddenly unable to answer incoming calls. This problem has triggered widespread discussion on social platforms and customer service channels. The following is a compilation of hot content on this issue across the Internet in the past 10 days. It combines technical analysis and user cases to answer possible causes and solutions for you.
1. Analysis of common causes
| Ranking | Reason type | Proportion | Typical performance |
|---|---|---|---|
| 1 | signal problem | 42% | Calls go directly to voicemail |
| 2 | System settings error | 28% | Prompt "Call in progress" |
| 3 | Operator service abnormality | 17% | Simultaneous failure of large-area users |
| 4 | Mobile phone hardware failure | 13% | The problem still exists after restarting |
2. Comparison of popular solutions
| method | Operation steps | success rate | Applicable scenarios |
|---|---|---|---|
| airplane mode reset | Turn on airplane mode and turn it off after 30 seconds | 68% | Signal problems/temporary glitches |
| Call forwarding check | Enter ##002# on the dialing interface | 53% | Call forwarding set up by mistake |
| system restore | Restore factory settings after backup | 89% | Persistent software glitches |
3. Operators’ latest service trends
Operators such as China Mobile and China Unicom recently issued announcements confirming that some 4G/5G base station upgrades may cause temporary signal interruptions. The affected period is mainly concentrated between 0:00 and 4:00 in the morning. It is recommended that users first check the service status through the official APP when encountering problems.
4. Sharing of real cases from users
1.Mr. Zhang from Hangzhou: Solve the problem of incoming calls that lasted for 3 days by resetting network settings (Settings-System-Reset-Reset Network), which takes only 2 minutes.
2.Ms. Li from Beijing: This fault occurred after the mobile phone entered water. After-sales inspection found that the antenna module was damaged, and it returned to normal after repair.
5. Advice from technical experts
1. Prioritize troubleshooting signal problems: Try testing the answering function in different locations
2. Check Do Not Disturb mode: iPhone needs to pay attention to whether the silent unknown call function is turned on
3. Attention for dual-SIM users: the secondary card may occupy the communication channel and cause the primary card to fail.
6. Preventive measures
| measure | Execution frequency | Validity period |
|---|---|---|
| System update | monthly inspection | Effective for a long time |
| SIM card cleaning | every six months | 6 months |
| Signal test | weekly | instant feedback |
If none of the above methods work, it is recommended to bring your purchase receipt to the official after-sales outlet for testing. Most brands provide a 15-minute rapid diagnosis service, which can confirm on the spot whether the motherboard or communication module is faulty.
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