PHONE BOOK WAS VERY QUICKLY AND PRODUCT WAS VERY WELL PROTECTED. The ACER E2 IS VERY POWERFUL AND TESTS CONFIRM THE REGULARLY. COMING ALCATEL ONE XPOP, BUY HERE 5 MONTHS AND TROUBLE SINCE, I FIND THAT THIS PRODUCT OPERATES WITHOUT BUG AND TELEPHONE NETWORKS CAPTE PERFECTLY .. PICTURES ARE MEDIUM FINALLY, THE STORAGE SPACE, LOW OF ORIGIN, DO NO PROBLEM BECAUSE THE PROGRAM IS PUT ON THE SD CARD. THE GPS, SLOW START IN, S IMPROVES SIGNIFICANTLY BY DOWNLOADING NAVIGATOR .. C IS REALLY A VERY GOOD SIZE rsonnable REMAINDER OF PORTABLE.