5Ghz WIFI CANNOT AUTO CONNECT ISSUE - Galaxy S III Mini Q&A, Help & Troubleshooting

My S3 MINI is DMOD V6 ROM.
I connect a 5g wifi hotspot it's successful.But I turn off wifi and turn on again,it's cannot autoconnect to the 5g hotspot.Must click "connect" it will connected.
2.4G hotspot is normal , it's can autoconnect when turn on wifi.
what is the problem?thanks.
AND...On my samsung galaxy tab 10.1(P7510) with stock 4.0.4 ICS rom, it's normal,can auto connect to 5G hotspot when turn on wifi.

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hotspot not working?

Helo, I have installed on my i9000:
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-semaphore 1.1.1
-JPG modem
and when i try to turn on the wifi hotspot it goes on for 1 second and then immediately turns of. With a previous configuration (team hacksung build 17, all stock) the hotspot stayed on, i could connect to it with my laptop, but i had no internet connection. I did manage get an internet connection with that configuration, but that was only once. With my phone I always have a working internet connection.
Is this modem or kernel giving problems with the wifi hotspot, or i there something wrong with my hardware?
Thanks!
same problem for me...

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did you try wifi sleep policy in setings to make it stay awake?
is that will affect the wifi hotspot ?

[Null Rom v23] Bluetooth tethering only works when connected to Wi-FI, but not LTE/3G

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Mi5 Pro WiFi 2.4GHz issues.

Hello forum members.
I want to share with You My Mi5 Pro WiFi problems, hoping someone can give advice so i can use my Mi5 Pro again.
The phone's WiFi has some issues:
It scan and display all networks, but can't connect to 2.4GHz networks.
It connects and work fine with some 5GHz networks. Also connect and work fine with 5GHz hotspot networks.
Bluetooth is working fine.
MiDrop can scan, but can't connect and transfer.
Hotspot is working only on 5GHz mode. On 2.4GHz can't share or connect to other.*
What I have tried to solve the issues:
Reset the phone.
Update the phone.
Flash other MIUI.
Unlock and flash other Android.
Rooted the phone and changed the WiFi MAC address (on MIUI).
Erased and flashed the modem (NON-HLOS.bin)(on MIUI).
No changes after all my attempts.*
And also, after all My attempts, I have noticed something. When I try to connect to 2.4GHz network (unsuccessful of course) and leave the WiFi on or off (the WiFi is not connected) , the phone's battery is draining very fast. If I connect to 5GHz network (successfully), and after that turn off the WiFi,**the battery is not draining fast.
If someone have any advice, or something I can check or share more info, I'm here and waiting.*
Thanks.
PS:Correction, 5GHz is not working with any router. More specifically, it's not working with most routers.
Maybe it's hardware problem. WIFI antenas disconnected?
Maybe, bit i hope it's software.
When i remove the antennas there is no wi-fi networks even detected, or only the closest ones are shown very weakly.

HOW TO FIX HOTSPOT NO CONNECTION, ON ROM PE11 PLUS?

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