Tonges was one of three tight ends kept on the 49ers' active roster heading into Week 1 of the regular season.
Tonges signed a reserve/future contract with the 49ers on Tuesday.
Tonges (undisclosed) tried out with the Broncos on Tuesday, Mike Klis of 9News Denver reports.
Tonges (undisclosed) and the Bears reached an injury settlement Thursday, Aaron Wilson of KPRC 2 Houston reports.
Tonges (undisclosed) cleared waivers and reverted to injured reserve Wednesday, per the NFL's official transaction log.
Tonges was waived by Chicago with an undisclosed injury designation Tuesday.