put this into your apn :
proxy : 151.101.1.57 port : 80
it boosts apn
also try changing the Tunnel Type to Payload + Direct SSH Connection
maybe you used a dropbear port and not an openssh port
Bakit po ganon?? pag nakakahanap ako ng no load apn and payload parang nakakatay kagad after 3-5minutes ko ginagamit??? o kaya nagdidisconnect lang???
TRICK : yung no load payload status 403 pag meron kang load or gs tapos status 200(ok) pag no load