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any idea on timing of new 4G unit?

hi so i replaced the battery in January when this same problem happened. I ordered to batteries at the time so just swapped them out again now.

has made no difference.

i have sims for optus /...

here we go again

so my unit again randomly wont register on the network , red light blinking quickly

i have tried different sims from different providers, all sims work in a phone but will not...

so i have just tried a new sim with a different provider (optus) and thankfully it is now working

sounds like a similar issue to yours i.e. the network provider has changed something that is not...

i'm in australia, telstra is the provider
when i use the sim in a older phone it still comes up with the 3g network, i just activated and tried a new sim and still no joy
is there a service...

ok well have just replaced the battery, the issue has not gone away.

the unit will not register on the network. Has anyone got any ideas on a fix??

hi all,
i have the same problem, my gsm (red) is fast flashing and wont register. I have had this unit working for 12 months, replaced the battery 6 months ago. Have checked the sim in a mobile...