mindanao area ako ok na c switch at injector pero bago nyo connect surfalert off nyo muna sim nyo dapat walang load na ha para iwas kain old sim gamit ko
Tm sakin 2 sims naka wifi modem pa working fine. Minsan kahit wala injenctor. Pag na dc saka ko na iinjector mas stable connetion ko pag may injector no dc