What is the Flip to Glyph feature? October 26, 2022 10:47 Updated Flip Phone (1) on a flat surface with the Glyph Interface facing up to temporarily silence sound and turn off vibration. This reduces distractions while lets you stay informed of any important calls. Related articles What is the Glyph Interface? What is the Bedtime Schedule under the Glyph Interface? What is OTG connection? Does Phone (1) have dual 4G modes? What is USB Debugging?