[ZTE Z7, Z7 Max, Z7 Mini] AGelu:
And here is a brief review ( don't push me too hard , it's Goo.... translate ! )

Saying the former, the author is from 3.65 card brush up, so what are normal network, upgrade to 3.65 before the brush

I use a backup first NUBIAUI a long time has been the official ROM so the data is a lot of some of the important Data backup will be handed over to nubia native backup for future use application and data backup will be handed over to the latest version of Titanium Backup (Note: The latest version of Titanium Backup supports Android 6.0, and brush on the CM13 after the backup can be restored to continue normal Super Utilities also use the data retention) 2 open brush, I downloaded the first version of 278.6MB TDBATE forum CM13 silence Star second edition Shuangqing card brush few minutes to get CM13 author describes the use of a short time after, summed up what points: 1 smooth, the official 5.1 is smooth, CM13 slightly better, each different feelings, but I have not found a point card Dayton. 2 power, after I installed the latest version of the green guard, opened the nap mode (Note: CM13 No Doze mode open option) did not clean up backstage one night before going to bed to wake up 51 ​​51 Doze mode so powerful; strong more than three tasks, Brush over the beginning of the boot run 1.4G, 1.1G and then later restore the backup there I began to anger backstage Lv, Taobao UC QQ micro letter, etc. (Note: NUBIAUI in these four basic can not coexist, because of an open basic memory lack of automatic kill the process), but basically did not view the memory also left 1.2 1.3 out of free memory (should tombstone background related), and finally using it later on so basic to stabilize the remaining 800+ memory is not how little. PS: I think in this Tucao official, 2Gram phone after nubiaUI Why add multitasking capability is weak so much, this was reflection. 4 comes with root, developer himself open like. On 5 UI style as basic and CM12, anyway, I did not find anything big difference, personally I do not like the secondary menu, but just download a starter solved! There are some English, not translated in English it is best not to brush the blind. Summary: Andrews 6 reportedly introduced tombstone background, I think the biggest change is the greatly improved memory consumption and backstage capacity, although I do not know how but CM12 background ability is said to have a memory leak, in general, smooth, power, It is no exaggeration to say that comparable IOS (the first time I said comparable IOS), the disadvantages are also obvious UI is not beautiful (the starter Solution), not completely finished, there is a small BUG, there is a battery inside the power save must not Open, open to heavy brush. Comment feel I can write it, cast votes, thank http://bbs.nubia.cn/thread-558997-1-1.html subsequent added: Advantages: 1. Support card 1 telecommunications standby, two mobile 2G card Internet access. Disadvantages: 1 signal WIFI exclamation point!

Link.

I haven't tried it for long, actually only few minutes . I didn't catch the point with " format SD card " but I formatted one . Without any result .....but may be I missed the reason for it.