# 网络和信号

URL: https://byshahid.com/zh/blog/iphone-codes/network/
App: Secret Codes: IMEI & Carrier (https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322)
Updated: 2026-11-04

> 呼叫等待、5G 和 LTE、网络选择、漫游和个人热点设置。

- [*3001#12345#*: 现场测试模式](https://byshahid.com/zh/blog/iphone-field-test-mode/)
- [*#5005*7672#: 查询短信中心号码](https://byshahid.com/zh/blog/check-your-sms-centre-number-star-hash-5005-star-7672-iphone/)
- [*#43#: 查询呼叫等待](https://byshahid.com/zh/blog/check-call-waiting-star-hash-43-iphone/)
- [*43#: 开启呼叫等待](https://byshahid.com/zh/blog/turn-on-call-waiting-star-43-iphone/)
- [#43#: 关闭呼叫等待](https://byshahid.com/zh/blog/turn-off-call-waiting-hash-43-iphone/)
- [*#33#: 查询呼叫限制](https://byshahid.com/zh/blog/check-call-barring-star-hash-33-iphone/)
- [手动选择网络](https://byshahid.com/zh/blog/choose-your-network-manually-iphone/)
- [在 5G 和 LTE 之间切换](https://byshahid.com/zh/blog/switch-between-5g-and-lte-iphone/)
- [无线局域网通话](https://byshahid.com/zh/blog/wi-fi-calling-iphone/)
- [检查运营商设置更新](https://byshahid.com/zh/blog/check-for-a-carrier-settings-update-iphone/)
- [还原网络设置](https://byshahid.com/zh/blog/reset-network-settings-iphone/)
- [查看蜂窝数据使用情况](https://byshahid.com/zh/blog/review-cellular-data-usage-iphone/)
- [低数据模式](https://byshahid.com/zh/blog/low-data-mode-iphone/)
- [数据漫游](https://byshahid.com/zh/blog/data-roaming-iphone/)
- [个人热点](https://byshahid.com/zh/blog/personal-hotspot-iphone/)
- [强制重新注册网络](https://byshahid.com/zh/blog/force-a-network-re-registration-iphone/)