Hi. I was wondering, if only disabling the Traffic Controll app will work (you can do this via applications menu, no additional apps needed on dev ROM). Will give it a try. Though I am a bit worried that this would affect some data related features like data usage information. Still, this is a good starting point, thanks for feedback!.I have deleted some system apps and to my surprise the speed of the phone as a whole and download speeds on playstore and sd card started working as it should. this is what I deleted:
analytics
cheetah mobile clean master (optional)
cleaner (optional)
cloud print (optional) I don't print from phone
common data service
drm protected storage
find device (optional)
ftpprecheck
fwupgrade
jeejenmiuicontainer
metok
mtklogger
report bug
traffic control (this is the culprit)!!
do a phone back up first before you delete the listed files, I used titanium to delete them, but you can also browse with root Explorer and delete them.
if you update rom the apps will come back, so another way is to use titanium to freeze them instead of deleting them then once you upgrade the rom they will stay disabled/frozen.
did it 3 days ago and have not had a single thing from what I personally use not work for me.
cheers
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