Bought a Nexus 5 and I've been trying out Straight Talk ATT and I've been noticing these problems, most likely all related:
I've been getting notification delays for push data services. Namely, my work email(exchange) and gmail. Sometimes the notification won't even come through. I'm up to a half hour on my last one, still waiting on it. SMS works just fine. Haven't tested MMS, particularly because I don't get many of those. The data connections does work though. I can manually load pages just fine, if a bit slow at first like the ping is astronomical. Almost makes me think it's establishing a connection each time.
When I check the color of the wifi or cellular connection icon, it's frequently orange. Most of the time it will quickly resolve itself to white in the few seconds it takes to check it. From what I understand, orange means it's having trouble talking to google services? This shouldn't affect exchange notifications.
I'm getting poorer connections quality than I expected. I live in Ithaca and while my home has poor Verizon connection(so I expected similar from ATT), I've barely found any place at work or the mall that can hold ANY LTE signal or a decent HSPA signal. HSPA speed tests give me under 0.5mbps up/down, while the only LTE test I've been able to run gave me 2.5/1 up/down.
The aforementioned thread on google's forums mentioned flashing 4.4.0's radio apk, has anyone else tried this?
Which APN setting affects the data part of the connection? Is it just the APN type?