One difference is that the amount of vitamin B12 in Centrum Silver (25 mcg) is much lower than the amount used in the positive studies (100 and 500 mcg, respectively). Loss of cognitive function is a well-known effect of vitamin B12 deficiency.
Instructions. Open your web browser on your cell phone. If you have limited access and an Internet directory, look for a Music option. Type the song that you are looking for in the search bar on your web browser. Locate a website in the search results that contains the song download for cellular phones.
1 Choose Ringtones. 2  Filter to select the ringtone you want to download. 3  Choose Get It and enter the information that you'll be asked for. 4  Choose Buy to download that ringtone for your phone [source: ATT ].erizon. 1  Press on the Get It Now arrow, which also acts as the right navigational arrow on your handset. 2  The Get It Now browser will open. 3  Scroll down the list using the navigational arrow, until you see Get Tunes & Tones. 4  Press OK. 5  Select 1. Get Ringtones and press OK. 6  Choose 1. Get New App and press OK.