S7 EDGE (SM-935F) EMMC- slow write problem - Samsung Galaxy S7 Edge Questions and Answers

Hello equally angry and happy s7 edge users,
im facing some troubles with my s7 edge, i recently bought it from a second hand, when i first saw the phone i could notice it extremely slow so i decided to buy (i never lose a opportunity to break my head)
Phone was running on Latest November security update 8.0 Oreo
G935FXXS8ETK4_G935FUWT8ETCA_COB
Ultra slow to wake, almost impossible to use, freezes shows "system ui has stopped working"
yesterday after a few wipes and formats i installed
FloydQ_V6.0_Exynos8890
and MoRoKernel-AllInOne-CTK1-v8.6.1
to find the same mistake on android 10
SDcard change seems to help, but still fails at certain point, mostly on native ui windows
Write/read test shows the sequential speed with depression peaks to 200kb/s.
i dont know how to get rid of this trouble, ive tried a lot of things
hope someone can help, i will upload the logcat, Science!
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Thanks to everyone F2FS system file seems to speed up the phone a little bit, i'm currently on Floyd V6.0 MoroKernel and MoroTWRP F2FSReady, still laggy at certain point but at least usable

What's the app you're using to test the speeds?

Macklegrey said:
What's the app you're using to test the speeds?
Click to expand...
Click to collapse
Cross-Platform Disk Tools Benchmark from play store
i thought those peaks were i/o faults, but i formated /data and /cache to f2fs and still remains.

Related

Android Os High Battery usage Bug (my experience)

You all sammy fans are know about our famous super villian Android Os high battery usage bug
I was so tired of that because i love sgs2 madly
So here is my words. JUST DONT TAKE TENSION OF ANDROID OS AND DONT LOOK AGAIN AND AGAIN FOR BETRERY STATUS YOU BUY YOUR PHONE FOR USING IT NOT FOR MAKING IT A ANOTHER TENSION IN YOUR LIFE
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I am using now samsung galaxy s2 which i bought used and it is from O2 mobile Uk
So first of all when i install 2.3.5 official in my phone its work good android system goes to near 14% and android OS goes to Like 5-9 percent
But when i try to pull something like 2.3.6 with odin it cause me problem of high battery usage again
So i do some research and what i did is flash 4.04 in ny phone
But thats not a full story i root it and install root exploler
And i unistall all ****ty apps like samsung hub,even gmail email
Yeah i am saying it correctly i didnt freeze them i just delete or uninstall them
And yeah problem solved
One more thing to new problem facers
Dude dont worry about that problem i check many peoples they all are facing that thing
Our Galaxy S2 is still best if you compare them will all other present smartphones
My advice is to just check if you are getting same battery timing in real which you were getting before all that
If your answer is yes then dont bother yourself with seeing battery status again and again and enjoy your phone
I hope this process will be usefull to you
I post all ****ty apps list later so you can delete them

CM13: Slow LTE Speeds?

anyone else have issues with slow data when downloading anything or when using certain apps? though speedtest has always shown decent speeds, i've always noticed that downloading files or using apps like instagram or snapchat seem to take FOREVER to upload/download media. i ran an experiment this morning and have absolutely no idea wtf is going on but you can see the differences in download speed i'm talking about:
LTE speedtest results:
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LTE right before i ran the speedtest above, here's my download speed for a video - a MERE 178 KB/s:
and here's me having connected to WiFi as soon as i got into the office, showing it's not a server issue where the above file is hosted:
should i enable/disable something? i've had to mess with disabling optimizing certain apps for battery consumption or whatever for random issues (notifications, not sync'ing, etc.) - could down-speeds be similarly affected with a random setting? FYI my 'bars'/reception show as full, on LTE, and speedtest results are quite high. i'm absolutely dumbfounded and because i'm currently taking an uber to/from the office (30mi each way), it's extremely frustrating as i'm on my phone the entire time.
TIA!
so no one? one bump before accepting the crappy speeds
I have the same problem with my galaxy s5 running the latest cm13 snapshot. I tried reverting back to stock and the data speeds were again normal (fast). But then i flashed back cyanogenmod and the problem continues... Stuck at 200kb/s

S7 Edge extremely poor benchmarks

I know this probably doesn't matter in the grand scheme of things, but I got an new S7 Edge in November after being forced to surrender my perfectly awesome Note 7. I decided today to run some benchmarks on it because it's performance has been questionable.
To qualify:
choppy transitions
choppy app switches
long app launch sequences
long load times for videos and download performance on LTE and 100Mb WiFi
It is performing worse than my old S6 Edge.
I closed all apps, set the High performance settings and benchmarked...
I was shocked by the results.
I ran GeekBench 4, AnTuTu, and 3DMark (which barely ran) and the results were consistent. (Quadrant errored out connecting to the servers) ~30% slower CPU scores, ~50% slower memory, 3DMark scores were horrid, and everything in between.
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Has anyone else seen such behavior?
Can't see the images
Are you sure it's a real official S7 edge, not a counterfeit ?
BigBen60 said:
Can't see the images
Are you sure it's a real official S7 edge, not a counterfeit ?
Click to expand...
Click to collapse
I haven't posted enough to use external links I guess.
Yeah, I checked with the AnTuTu Validator and it is authentic Samsung bits.
You can look at the results on flickr (just remove the carriage returns)
https://
flic.kr
/s/aHskXtgxmf
You should try a factory reset or changing ROM, clean install
There might be some apps draining your performances
edit
not worth it

Improve Battery After Nougat Update

i have seen many comments in different threads about having poor battery life... i myself have faced this issue.. with my battery dropping like 5-7% while it's ideal to.. so many people suggested to full wipe my device but along with it i used a software BK DISABLER(SAMSUNG)...
i disabled all the apps along with samsung account(i checked shealth was still working after this but then i removed it seeing the number of services it had)
given in this link..
https://forum.xda-developers.com/galaxy-s6/general/safe-to-debloat-s6-threads-t3090383
please check the second cmnt by @lizaSB..it's more detailed and apps are easy to find.. whenever you disable a bloatware be sure to check you have disabled the services given in it(using BK DISABLER.. obviously)
I don't know whether a seperate thread has been created for this or not... but after nougat update this really helped.. my batter falls like 0.6 or 0.7 % perhour when it's ideal...
I know many scripts are availabel for doing this but that requires root.. this app doesn't requires root privilege .
I feel battery for the S6/N5 family improved with Nougat, while the S7 line battery was negatively impacted. Moving to a spare S6 I had, as I had to send my S8 in to replace my screen, I'm getting quite decent numbers for a 2-year old phone that was used for most of that time by my mom (she changed phones recently).
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H870 running super slow and CPU seems kinda locked

Hey,
so I did research for like 3 days but I can't find any solutions relating to my problem. My G6 ist running on v30b so its updated to the newest version. But at easiest tasks it is so laggy and stuttering. Playing games you can forget about, also apps like Snapchat are a disaster. I deleted or disabled all bloatware I could find.
So I tried this CPU "benchmark" and it seems like the CPU is kinda locked or limited at 1GHz. The performance is dropping to red but the CPU still stays at the excactly same level, why? (Screenshot) The max CPU clock also says 1,59 GHz there first. The G6 wasnt hot at all ans not charging.
I was irritated and like 10 minutes later I started a new test. Now the Max clock was correct and it also started at 2Ghz but after 1 minute it dropped all the way down to 1GHz and stays there at the same level. The performance is completely red. I really cant unterstand why this is happening, hoping some of you can help me.
Thank you so much in advance!
First test
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Second test
Virus/trojan - run bitdefender or kaspersky scan.
Some adware/bitmining program. Full backup, then full reset of phone to factory fresh.
Something broken with the hardware - eg the cooling pipe inside the phone.

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