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Help Bad Sim = Battery Drain?

Two Months ago I got a Cheap Tmobile Phone from Walmart as I needed a quick replacement until I can get new phone. About 2 weeks ago I started noticing heavy battery drain for no reason. My first though was that the phone hada bad battery, so I got another, less cheap phone. That phone was doing the same thing (I was using the same Sim Card), so I got another phone, a better, rooted LG-L90. This phone is doing the same thing too. If I charge the other phones, they hold their charge for like 3-5 days without dying but with the SIM it lasts about 2 - 3 hours. Could a Bad SIM drain my Battery? BTW the Phones were a ZTE Zinger, Alcatel OneTouch Evolve 2, and of Course a LG-L90 (I bought them all brand new, and Rooted the LG-L90 Myself)
 
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Bad sim or bad cell signal.
Go to Settings, Battery, tap on the graph and it takes you to another graph below it shows your signal strength (green=good red=bad)
 
Im on Lollipop so that doesnt Come up. Is there an Alternative place where I can find that on Lollipop? Is there any App that can Monitor exactly why and what is using my battery, Root, or No root?
 
Looks like it was the T-Mobile My account app that was taking up 46 percent of the Battery. I uninstalled it using CCleaner since it is a System App. Seems to have Stopped the Draining. I will post back if the Problem starts up again. Thanks A lot Guys!
 
Good show mate :thumbsupdroid:
PS out of interest, I have that graph on close-to-stock lollipop..
Must be an LG thing
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