Some routers wifi the speed of the internet gets very slow?

[marcusmilhomem]

Hi guys,
I have problem with the wifi, some routers wifi the speed of the internet gets very slow. The problem happens with routers from the company 'Net Virtua' and 'Vivo' in Brazil. In other companies the speed is normal. Has anyone had this problem and been able to solve it?
Android 9
Patch June / 2019

 

[morcus]

There is currently two bugs that i know.
1. If you have Bluetooth AND Location activated, the wifi is slow. Disabling at least one of the two partially solves the problem.
2. Wpa2 psk aes is broken. Switching to wpa2 psk tkip solve the problem, but this is not secure.