Nexus 5, Family Mobile, No Data! [SOLVED]

I got a Nexus 5 for use on the Family Mobile (T-Mobile) network. I called in, activated the SIM and updated my IMEI on file with FM. Two hours later I started receiving phone calls and text messages, which was great, but I had yet to receive any emails. There was no mobile data enabled.

I performed a soft reset after each step below. Needless to say, this has been a lengthy process.

The phone managed to find 3 APNs in my area on its own– one for MetroPCS, one for T-Mobile GPRS, and one for T-Mobile GPRS “Fast.” None of these worked.

I tried adding a new APN according to the Family Mobile troubleshooting guide, but still no luck.

Checked to make sure data was enabled for this phone via the web control panel. It was enabled.

Tried performing a factory reset according to recommendations on Google’s product forums. Yes, I did start playing with the phone before putting in the SIM card initially, but this step also had no effect and just made me have to reconfigure all my settings again.

Called in to support again, sat on hold for half an hour. The representative had me remove and re-insert the SIM card and when that still didn’t work, told me this phone was not supported. Ok…

I asked him what the APN settings for Family Mobile were, or what I should be connected to. He said he did not have the “correct settings” for this particular phone. I thanked him and told him I’d figure it out myself.

I happened to have an LG P769 sitting on my desk that I bought for testing, so I popped the SIM in that and fired it up. 4G came up, no questions asked. So what’s different about this phone?

The APN settings are nothing like the ones Family Mobile provide. Here are the APN settings for a Family Mobile phone (or at least what the P769 auto-configured itself for):

Name: T-Mobile GPRS
APN: epc.t-mobile.com
Proxy: None
Port: None
Username: None
Password: None
MMSC: http://mms.msg.eng.t-mobile.com/mms/wapenc
MMS Proxy: None
MMS Port: None
MCC: 310
MNC: 260
Authentication: None
APN Type: default,mms,supl
APN Protocol: IPv4

So, popping the SIM back in the Nexus, I created a new APN according to these settings, and data started working.

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