Battery Life is Horrible on Airplane Mode

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http://forum.xda-developers.com – I have an old Droid 2 that doesn't function as a phone that I only use in Airplane mode. I occasionally turn on WiFi to download an app or to sync something. It's running MIUI. A strange thing that I keep running into is that it wants to activate on bootup, but I can't activate (not an active device) or skip it. The battery usage graph deisplays that "Phone Calls" are taking 70%+ on the battery. Any ideas on how to fix this? Screenshot is attached. Attached Thumbnails   (HowTos)