I set up my iPhone6 with Touch ID using both my thumb and finger thinking if one didn't work the other would but it doesn't recognize either one. It did work briefly when first set up but not now. Any ideas on how to get it to work would be appreciated. Thanks.

0. Remember that the Passcode is required at first power-on
1. Look at and remember how you are holding your fingers as you try to unlock
2. Make certain your home button is clean
3. Go to Settings > Touch ID and Passcode > Fingerprints
4. For each enrolled finger, Delete Fingerprint
5. Re-enroll fingers as desired, making certain you start from essentially the positions noted in step 1
6. Be a happy user, inasmuch as is possible

Reentered my info and so far seems to be working. Will see how long it lasts. Thanks.