Data roaming vs national data roaming

Friends,

I see 2 options for data roaming, what's the difference?
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Sent from my Nexus 6 using Tapatalk

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Flashing factory image without erasing user data?

hi guys, i have a big question about flashing a new factory image without erasing userdata

i like to root my nexus player (6.0.1) and because of that im forced to flash a new factory each time i want to update my nexus player because i cant update using OTA (to get root on 6.0 we use a modified system and OTA doesnt work if there is any modified system or recovery)

i have a 250 gb local disk i use with nexus player as internal memory so i can download (and i do) all the free grames and apps from play store, and, of course, i play those games.

i install sideload apps too.

All of this to do it all over again each time a new update comes is a big pain,

is there a way to avoid erasing userdata when i flash a factory image?
or is there a way to backup all my games, apps and info? (like titanium backup, i didnt test it because i didnt realised of that idea before i erased everything)

Help me guys please! XDA rocks!!

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Massive data usage!

Has anyone had issues with Google service account manager background data? Almost 5 gigs is enormous for this. I have had my settings the same with every phone I've had and it's only an issue with this phone. Also notice the great spike up in the graph within a short amount of time. .... I'm thinking firmware issue?

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No Data On Cyanogen or RR

After unlocking and rooting my stock system, it still worked fine, but I wanted more features so I went to a custom rom.
Neither CM12.1 or RR had mobile data for Verizon.
When I flashed by TWRP backup of /system, I had data again.
According to 6Binford, my APN settings are correct.

Thanks!

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"Pakedge data corrupt" error on google play and what followed / which CM to use?

Hi all,

i need to reinstall my android phone (Galaxy W I8150) due to an error with google play. I'm currently running android 2.3.6 I8150XXLMI. While researching how to reset my phone i found CM and this forum. Despite some basic knowledge on windows OS and how to reset them even after 4h of research im quite lost with the different possibilitys and methodes.
1) If i want to install CM which version should i use? (10, 11, 12.1?) Are there any advantages/disadvantages to the versions.
2) Is there a tutorial video you can recomend? I found several but as a complete newb in android moding, i can't judge how trustworthy they are.

Thanks in advance :)
Chris

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