Windows Phone 8 Update 3 (build
10501, 10512) Accessibility. We've made several improvements for customers who are
visually impaired.Storage. Now you can easily free up storage space on your phone and
manage temporary files. New categories
show what's taking up space.Driving Mode. Feeling distracted behind the wheel? Driving Mode allows
you to minimize incoming calls and text
messages to help you focus on the road.Screen. Reading emails in bed? You can lock your screen orientation so it
doesn't shift when you move your
phone around. Wi-Fi. Start preserving cellular data on your phone right out of the boxyou can
now connect to Wi-Fi during set up. Internet sharing. Now you can use your phones cellular data connection
from your Microsoft Windows 8.1
devices by pairing them over Bluetooth.

Bluetooth . Several fixes were made to address known issues, and
improvements were made to
connection quality for Bluetooth
accessories. Ringtones. Do more with ringtones now. Assign ringtones for text
messages, so you'll know who's texting
you without even looking. Use your
custom ringtones for more thingstext
messages, instant messages, emails,
voicemail, and reminders. App switcher. Don't look back. Now you can use the App switcher to quickly
close apps when you're finished with
them.Other improvements. Includes many other improvements to Windows
Phone.
.
source

http://www.wpcentral.com/microsoft-publishes-update-3-changelog-windows-phone

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