您好!
请问您指的是手机一打电话就没有网络吗,这款机是采用CSFB4G模式,
CSFB工作的原理:
终端只能工作在一个网络上,例如,工作在LTE网络上,当有语音来电时/通话寻呼过程,4G网络会自动断开,通过回落方式到2G/3G网络上工作。在进行通话业务的同时,4G数据业务也会被断开。
如果有任何问题可以随时来咨询我们的。非常感谢您对我们vivo的支持,祝您生活愉快!
本回答被网友采纳![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5bafa40f4bfbfbed393a4ce76af0f736aec31fc2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
vivo X Flip
¥5999
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3b87e950352ac65cef671cebe9f2b21192138acc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
vivo X Fold2
¥8999
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/cf1b9d16fdfaaf51dcbffb279e5494eef11f7acd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
vivo Pad2
¥2499
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0d338744ebf81a4cba6b9651c52a6059242da6c9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
vivo X90 Pro+
¥6499
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