How to make mobile internet super slow?

Question

I need to make my android phone's internet really really slow at midnight. Slow like 2G. Can you suggest something?

Answer 1

Amir's answer is correct if you want to do it manually. For programmatic approach, this answer is available https://stackoverflow.com/a/52607289/4491971

Also this answer for rooted device. https://android.stackexchange.com/a/93128/237429

There is this app that you may also be interested to look at. https://qr.ae/pGok3J

Answer 2

follow 4 step fist step open your setting mobile or emulator

second step click on network and internet

third step: click on mobile network

fourth step: click on preferred network and choice your preferred network type

names maybe have changed on your mobile phone 2G / GSM
3G / WCDMA/GSM 4G (recommended) / LTE/WCDMA/GSM