Linux tweak to at tested ko, ewan ko lang kung mag wowork sa inyo pero try nyo lang, AT WAG TAYONG MAGTURUAN KUNG MAY MANGYARING MASAMA 
Open nyo lang kahit anung root explorer(es file explorer, solid file manager)
Punta sa root tab
Tapos sa /system/etc
Hanapin ang sysctl.conf na file, kung wala gumawa nalang kayo
Tapos add nyo to
net.ipv4.tcp_ecn=0
net.ipv4.route.flush = 1
net.ipv4.tcp_rfc1337 = 1
net.ipv4.ip_no_pmtu_disc = 0
net.ipv4.tcp_sack = 1
net.ipv4.tcp_fack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_rmem = 4096 39000 187000
net.ipv4.tcp_wmem = 4096 39000 187000
net.ipv4.tcp_mem = 187000 187000 187000
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_moderate_rcvbuf = 1
APPLIED

Not Applied

BTW, nasa bukid ako ngayon kaya mahina ang signal
File screenshots

Save nyo lang tapos set permissions to rw-r-r
Kailangan mag reboot
Try nyo lang kung working
At maglike kung gusto

Open nyo lang kahit anung root explorer(es file explorer, solid file manager)
Punta sa root tab
Tapos sa /system/etc
Hanapin ang sysctl.conf na file, kung wala gumawa nalang kayo
Tapos add nyo to
net.ipv4.tcp_ecn=0
net.ipv4.route.flush = 1
net.ipv4.tcp_rfc1337 = 1
net.ipv4.ip_no_pmtu_disc = 0
net.ipv4.tcp_sack = 1
net.ipv4.tcp_fack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_rmem = 4096 39000 187000
net.ipv4.tcp_wmem = 4096 39000 187000
net.ipv4.tcp_mem = 187000 187000 187000
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_moderate_rcvbuf = 1
APPLIED

Not Applied

BTW, nasa bukid ako ngayon kaya mahina ang signal
File screenshots

Save nyo lang tapos set permissions to rw-r-r
Kailangan mag reboot
Try nyo lang kung working
At maglike kung gusto


