LTE-M with Magenta Austria does not attach
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Dear all,
I have tried to connect to the internet using LTE-M. For that, I received an LTE-M SIM from Magenta Austria.
I have followed the example shown in https://development.pycom.io/tutorials/networks/lte/ (using the correct APN and band information) without success. The network won't attach.
Using thelte.send_at_cmd('AT!="fsm"')command shows that the TOP FSM is changing betweenSCANNING,SYNCING, etc.
On the other hand,lte.send_at_cmd('AT!="showphy"')always shows an RSRP of-21474836.00, similar to a previous post (https://forum.pycom.io/search?term=rsrp&in=titlesposts).
Does someone have any idea on how I could manage to attach to the network? Any previous experiences with Magenta Austria in this regard?
Thank you very much! -
@Zoe-Pfister what version of the firmware and of the modem firmware are you using? I suppose you checked for coverage at your location?
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Hi @Zoe-Pfister, I want to know if you could fix this issue, I have the same problem, Is not possible to attach the cellular Network, in my case Vodafone and Telecom Italia. The version of the firmware is LR5.1.1.0-47510. Thank you in advance
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@Zoe-Pfister I have some experience with Magenta Austria! Had the same issue too :D
See the following topic for more: FiPy unable to connect to T-Mobile NL (LTE-M)Unfortunatly, I still don't really know if it just takes forever when trying to attach the first time or if you really have to do a
lte.factory_reset()and let if scan for itself without specifying a particularband.Give it a try - hope it helps!
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I think I finally found an answer on how to properly reset the modem in case it just won't attach to a network.
Reset the modem by sending following AT-command:
lte.send_at_cmd('AT+SQNSFACTORYRESET=?')Unlike
lte.factory_reset()- which seems to use AT-commandAT+SQNSFACTORYRESET- this command will successfully reset the modem to factory state.A reboot of the device is necessary to finalize the reset!
After this process the modem should attach to the network without any issues!
Also, for further information see: AT Commands Reference Manual, 15.1 Device Reset to Factory State
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