So I've experienced the same thing and filed a bug for it already. You can find that bug here: https://bugs.launchpad.net/ubuntu/+source/ofono/+bug/1598181
On Wed, Jul 27, 2016 at 5:03 AM, Andrea Bernabei < andrea.berna...@canonical.com> wrote: > > > On Wed, Jul 27, 2016 at 3:38 AM, Seth Ciango <seth.cia...@gmail.com> > wrote: > >> I have a Meizu MX4 and a Pro5. Both the MX4 and the Pro5 have the same >> APN configuration. The MX4 behaves great with the limited spectrum >> available in the US. The Pro5 is problematic. My SIM card works great in >> the MX4, however, when I put the same SIM card into the Pro5, it is only >> able to detect the carrier when "2G only" is selected. If I put the Pro5 in >> 2G/3G/4G mode or 2G/3G mode the carrier is unable to be detected, and I'm >> told "No Network" at the phone Dialer screen. Phone calls can still be made >> and received even though it says "No Network" and data can also be >> downloaded over the "H" 3G connection with speeds up to 7Mbps. >> >> > Hi Seth, > > this is the part that caught my attention the most. > Could you please file a bug to > https://bugs.launchpad.net/ubuntu/+source/network-manager/+filebug ? > > Cheers, > Andrea > > >> The biggest problem is that when walking in major cities in the open air >> with the Pro5, the cellular data connection will change to "Unavailable" >> and "Denied." This completely disconnects me from phone and data. Toggling >> Airplane mode and rebooting doesn't have a consistent affect. Again, these >> issues do not exist on the MX4. These issues exist on both AT&T and >> T-Mobile's networks. I've replicated the successes and failures with two >> different SIM cards from two different carriers. >> >> Right now, my Pro5 has become a paperweight, and the MX4 is my daily >> driver. Any help would be appreciated. >> Thanks, >> Seth >> >> -- >> Mailing list: https://launchpad.net/~ubuntu-phone >> Post to : ubuntu-phone@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~ubuntu-phone >> More help : https://help.launchpad.net/ListHelp >> >> > > -- > Mailing list: https://launchpad.net/~ubuntu-phone > Post to : ubuntu-phone@lists.launchpad.net > Unsubscribe : https://launchpad.net/~ubuntu-phone > More help : https://help.launchpad.net/ListHelp > >
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