Tiscali SIM card on TL-MR6400 v4
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Since some weeks the device does not connect to the network anymore, probably since 3G network ha been shutdown.
I am using a Tiscali SIM card; Tiscali is a virtual operator that uses TIM network.
The Tiscali SIM work on other devices tested (various smartphones), but in some cases I had to manually select the TIM network to get full 4G speed.
TL-MR6400 v4, as far I know does not allows to manually, select the network.
Other SIMs on the TL-MR6400 works on 4G without issues in the same location using the same TIM network, and therefore the same 4G bands.
So, it looks like the router is not able to automatically connect to the 4G TIM network that Tiscali uses, and report as if no service is available.
I tried to reset the device without success and also tried to change various setting also without success.
The router is updated to the last firmware available, as far I know.
The issue maybe related to:
https://community.tp-link.com/en/home/forum/topic/581072
https://community.tp-link.com/en/home/forum/topic/586804
