WiFi Drops connection in some cases

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l2five

Member
Jul 18, 2017
10
0
Damn! wrong forum, can anyone delete this thread? or advice me to do so...
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Hello everyone, i have a problem with my wifi, its dropping connection everytime.
I have full wifi connection (router stands next to me) and for example wenn i use ES Datei Explorer for copy a file from phone to qnap nas (smb), it starts to copy (around 7 mbyte/s) and then its speed is going down to 0 for some seconds and then it stops copying with error.

i am currently at stock 14.6.A.1.236 with root and locked bootloader, but it happens at every localisation, flashed different ones.

now i have no waranty rest but at the last waranty-day is send it to repair because of a lot things and also the wifi problem. So they said they changed the wifi antenna, but it changed nothing.
I also tested different threads in this forum, but nothing helped.
bluetooth and lte off while testing, no change.

Next thing i will test is custom rom and unlocked bootloader, but i really like sony stock firmware because of the nice camera.
Does anyone have any idea i can do?

Model: D5503
Locked Bootloader
14.6.A.1.236 Stock Rooted
Dualrecovery
 
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