What is the largest phone that will fit in the iUVBT1? October 08, 2024 23:38 Samsung Galaxy S20 Ultra 2.99 x 6.57 x 0.35 in w/o the case. Related articles What devices are compatible with AirPlay? How to switch to Daylight Savings Time? How do I set the clock manually? iBTW390 How long is the cord of the iUVBT1 power adpater?