The amazing best network speedup for Android phones I have tested it in Micromax_a70 android phone, one of the best free app in market I found, it works perfectly as it mentioned in its description.Try it once, you will find the difference.Thanks...
link below
https://play.google.com/store/apps/details?id=com.turbo.booster&feature=search_result
link below
https://play.google.com/store/apps/details?id=com.turbo.booster&feature=search_result