Pre-Order begins August 8; On sale in Xfinity Stores and at XfinityMobile.com on August 23. Comcast today announced Xfinity Mobile customers can pre-order the Samsung Galaxy Note 10 and Note 10+ beginning August 8 on www.xfinitymobile.com and in Xfinity Stores nationwide. The new Note goes on sale for Xfinity Mobile customers August 23. Through September 30, customers who purchase a Samsung device, activate Pre-Order begins August 8; On sale in Xfinity Stores and at XfinityMobile.com on August 23. Comcast today announced Xfinity Mobile customers can pre-order the Samsung Galaxy Note 10 and Note 10+ beginning August 8 on www.xfinitymobile.com and in Xfinity Stores nationwide. The new Note goes on sale for Xfinity Mobile customers August 23. Through September 30, customers who purchase a Samsung device, activate