首先必须刷机等开启VOLTE,小米MAX2电信volte开启(解决电信+联通无信号)(转载)
https://tieba.baidu.com/p/9018937608?pid=150286097723&cid=0#150286097723
![](http://tiebapic.baidu.com/forum/w%3D580/sign=cf7e71292d600c33f079dec02a4c5134/b4e0643a5bb5c9eab1d3b1de9339b6003af3b36c.jpg?tbpicau=2024-09-05-05_7d68c299eb1711948400f2daf9aba82e)
电信卡插卡能正常使用开启VOLTE后,接下来下一步
广电卡设置APN:
![](http://tiebapic.baidu.com/forum/w%3D580/sign=8229fcf94cd162d985ee621421dfa950/8881363c269759eebd4cd2f6f4fb43166d22df68.jpg?tbpicau=2024-09-05-05_8841ab97ef82766cd4589ab9ac417987)
经过测试,短信、电话、VOLTE视频通话、上网功能正常使用,广电4G网速拉胯,多次测速下载只有15Mbps-20Mbps
![](http://tiebapic.baidu.com/forum/w%3D580/sign=76fdd02157dfa9ecfd2e561f52d0f754/bd1632fab2fb4316e90cc84766a4462309f7d37d.jpg?tbpicau=2024-09-05-05_b96168debbba7b461a30bad6a42b2447)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=3cdb9cd8eb6eddc426e7b4f309dbb6a2/b58181cc7b899e513d9c882904a7d933c8950d7d.jpg?tbpicau=2024-09-05-05_dd1fa36b351a1b96bd4a91b06d05ec80)
https://tieba.baidu.com/p/9018937608?pid=150286097723&cid=0#150286097723
![](http://tiebapic.baidu.com/forum/w%3D580/sign=cf7e71292d600c33f079dec02a4c5134/b4e0643a5bb5c9eab1d3b1de9339b6003af3b36c.jpg?tbpicau=2024-09-05-05_7d68c299eb1711948400f2daf9aba82e)
电信卡插卡能正常使用开启VOLTE后,接下来下一步
广电卡设置APN:
![](http://tiebapic.baidu.com/forum/w%3D580/sign=8229fcf94cd162d985ee621421dfa950/8881363c269759eebd4cd2f6f4fb43166d22df68.jpg?tbpicau=2024-09-05-05_8841ab97ef82766cd4589ab9ac417987)
经过测试,短信、电话、VOLTE视频通话、上网功能正常使用,广电4G网速拉胯,多次测速下载只有15Mbps-20Mbps
![](http://tiebapic.baidu.com/forum/w%3D580/sign=76fdd02157dfa9ecfd2e561f52d0f754/bd1632fab2fb4316e90cc84766a4462309f7d37d.jpg?tbpicau=2024-09-05-05_b96168debbba7b461a30bad6a42b2447)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=3cdb9cd8eb6eddc426e7b4f309dbb6a2/b58181cc7b899e513d9c882904a7d933c8950d7d.jpg?tbpicau=2024-09-05-05_dd1fa36b351a1b96bd4a91b06d05ec80)