I recently bought a Huawei Y550 in the UK and returned to Japan (where I live)
In Japan I can connect to local networks (Docomo 4G) using my UK EE SIM card but when I insert my Japanese (AU-KDDI) SIM card it won't connect to a network - selecting the KDDI 4G network gives the error 'can't connect to the network at this time. Please try again later' (or something like that). I get the same error when using the various APNs available.
When the phone lists the networks with my UK SIM inserted, Docomo has a 'tick' next to it and the other networks have a 'plus' symbol next to them. When I insert my Japanese SIM, KDDI has a 'plus' symbol next to it while all the others have 'no access' symbols next to them. (Image attached since I can't insert links as a new member.)
I was under the impression that if my phone was SIM locked I would be asked for a code when the Japanese SIM is inserted but I have full function of the phone (all apps, wifi etc) with that SIM inserted; I just don't have a mobile network connection.
Not sure if it makes any difference but this phone is bootloader unlocked and rooted. The problems were the same before and after rooting.
Is my phone SIM/network locked? Or is there some other reason that it's not connecting to the local network?
Thanks!
In Japan I can connect to local networks (Docomo 4G) using my UK EE SIM card but when I insert my Japanese (AU-KDDI) SIM card it won't connect to a network - selecting the KDDI 4G network gives the error 'can't connect to the network at this time. Please try again later' (or something like that). I get the same error when using the various APNs available.
When the phone lists the networks with my UK SIM inserted, Docomo has a 'tick' next to it and the other networks have a 'plus' symbol next to them. When I insert my Japanese SIM, KDDI has a 'plus' symbol next to it while all the others have 'no access' symbols next to them. (Image attached since I can't insert links as a new member.)
I was under the impression that if my phone was SIM locked I would be asked for a code when the Japanese SIM is inserted but I have full function of the phone (all apps, wifi etc) with that SIM inserted; I just don't have a mobile network connection.
Not sure if it makes any difference but this phone is bootloader unlocked and rooted. The problems were the same before and after rooting.
Is my phone SIM/network locked? Or is there some other reason that it's not connecting to the local network?
Thanks!
Written by dd
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