TL-MR6400 v5 LTE modem not working

Do you have a SIMcard in your router and is it correct inserted? Sorry, for asking.

no problem. i double checked that and i am able to get the sim state.

# uqmi -d /dev/cdc-wdm0 --uim-get-sim-state
{
	"pin1_status": "disabled",
	"pin1_verify_tries": 1,
	"pin1_unlock_tries": 10,
	"pin2_status": "not_verified",
	"pin2_verify_tries": 3,
	"pin2_unlock_tries": 10
}

In what country are you now? Do you know which operators that are available?
Does the MR6400 v5 support the available freqensies?

That's indeed perhaps special. It is a french digicel simcard operating right now in antigua.

Thats what i found in the tech specs vor MR6400 v5:

4G: FDD-LTE Cat4 (800/900/1800/2100/2600 MHz),
TDD-LTE (2300/2500/2600 MHz)
3G: DC-HSPA+/HSPA+/HSPA/UMTS (900/2100 MHz)

Thats what i found for the frequencies of digicel antigua according to :

GSM bands	

    900 (E-GSM)

UMTS bands	

    B1 (2100)

UMTS protocols	

    HSPA+
    UTMS

LTE bands	

    B17 (700 bc)

LTE protocols	

    LTE

Other Operators according to my cellphone are:

Digicel-StaySafe
APUA inet
FLOW

Hi
It looks like non of the supported LTE bands in MR6400 v5 are available in Antigua.
You can try to use UMTS.

uqmi -d /dev/cdc-wdm0 --set-network-modes umts

wait a few seconds

uqmi -d /dev/cdc-wdm0 --get-signal-info
uqmi -d /dev/cdc-wdm0 --get-serving-system
1 Like

Hi guys,

Sorry for the delay, I have been playing this weekend with the router and I have successfully working.

I'm not sure if it's a coincidence but what I did was:

    1. Reset the router with factory defaults (I flashed again)
    2. opkg update
    3. opkg install usb-modeswitch kmod-mii kmod-usb-net kmod-usb-wdm kmod-usb-net-qmi-wwan luci-proto-qmi
    4. This is the step that I did different, I've installed 2022-03-15-0.4 instead of the latest one:
        wget https://github.com/mrhaav/openwrt/raw/master/21.02.2/uqmi_2022-03-15-0.4_mipsel_24kc.ipk
        opkg install uqmi_2022-03-15-0.4_mipsel_24kc.ipk        
        rm uqmi_2022-03-15-0.4_mipsel_24kc.ipk 
        reboot
    5. Setup the interface through luci

And the wwan works now correctly.

network.wwan=interface
network.wwan.proto='qmi'
network.wwan.device='/dev/cdc-wdm0'
network.wwan.apn='orangeworld'
network.wwan.auth='both'
network.wwan.username='orange'
network.wwan.password='orange'
network.wwan.pdptype='ipv4v6'
network.wwan.peerdns='0'
network.wwan.dns='8.8.8.8' '1.1.1.1'

And ping now resolves correctly! :slight_smile:

Thanks all for your help!

1 Like

Hi
Great to hear :slight_smile:

Could you just print

uqmi -d /dev/cdc-wdm0 --get-serving-system

I´m trying to find out why the operator name is incorrect in: Sat Apr 30 01:22:09 2022 daemon.notice netifd: wwan (14177): Registered to ?t;? on LTE

What name is shown in your ordinary cell phone for the same operator? Orange?

Thanks again. That exactly was the problem! I tried to get a signal on umts but it didn*t worked.

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