N nioptutii Leecher Apr 19, 2018 #1 1.slow on crowded area 2.provincial dead spot 3.annoying signal jammer(usually used by police) 1.go for an open field like garden 2.find an windy spot 3.go for airplane mode(it do nothing about the problem)
1.slow on crowded area 2.provincial dead spot 3.annoying signal jammer(usually used by police) 1.go for an open field like garden 2.find an windy spot 3.go for airplane mode(it do nothing about the problem)