Mobile Hotspot issue

Please I need help with this issue that just came up in my Tecno W4 Android phone

I have been using my mobile hotspot to connect to my other device but lately,once I on the mobile hotspot,it will not last up to 10 seconds and goes off.I have reset and reboot the device but it still refuse to stay on.

I need urgent response and kind assistance from you guys.
 
Please Anybody willing to assist me here?

My Mobile Hotspot cant stay on for more than 10 secs.I am using Tecno W4 Android mobile phone.

Thanks.
 
Try some other hotspot than you have been using - - go to McDonalds, connect there for example to prove which device is failing.
 
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