Lost connection to the access point when the screen backlight is turned off?

Question

Android

I searched but did not find why the android hotspot drops connections when it goes to sleep. In the wi-fi settings, the item never fall asleep is selected. Rescues only an open terminal emulator with the "On" options selected. wakeup lock" and "On. wi-fi blocking.
Device ZTE Racer, custom firmware 2.3.7, kernel from deadllink.
Is it possible to fix some config and not reflash the phone?
root is.

Answer 1

Look in logcat to see what happens after going to sleep. Perhaps there are clues as to why.
I myself had a similar problem (loss of cellular signal), the reason was related to the voltage, everything was decided by replacing the core.

Answer 2

But there is no type setting - sleep mode at certain hours?
I had some kind of firmware on my android, there you set up from what hour to what hour the device with the screen turned off cuts off all data transfers.

Answer 3

Settings -> Wireless networks -> Wi-Fi settings -> Advanced menu -> Wi-Fi sleep mode -> Never
Samsung Galaxy Y, native firmware