Wireless Joint

So I have had a Mobile Citizens Sprint plan that came with a Coolpad Surf.

I have had it in an Airmaster 4000d almost the 1.5 years I have had the plan. It worked flawlessly up until the last couple days in which the Airmaster just never connects.

So I popped the sim back in the Coolpad and it ...

So I have a mifi8000 also, but my current sim is from a coolpad membership. Is there any way to get that sim to work in the mifi?

shoulin333 wrote: Tue Dec 08, 2020 8:13 pm I tried mine in the 4000D and nothing no matter what today.

I moved mine into a we826-T2 with an em7511 and it works great using 311 490 and locked to band 41.

Is there any feasible way to make the airmaster use 311 490?

So my airmaster dropped at around 5:00 am today. Put the sim in the coolpad and it works (if you can call the coolpad as working) I was seeing it roam on virgin also.

I had a mifi 8000 from a quarterly memebership I stuck it in too. It connects for a few seconds and then says the sim is locked ...

So far I have had good results since the factory reset. It has been up since going on 3 or 4 days.

This morning it was still sort of working.... it acted as if it was making a connection when I would try to access the internet, but then if the connection was idle it would disconnect again. I tried a reboot and we shall see how it goes.

I did a full reset this afternoon and have been connected now for 8 hours .... longest in a while. We shall see how it goes.

I got an airmaster 4000d to use with a 3rd party sprint plan. My initial setup was simple and worked flawlessly for almost a month straight.

As of the last couple of weeks, I have had multiple disconnects a day, and the only way to get it to reconnect is to power cycle it. It may stay connected for ...