T-Mobile today surprisingly announced a software update for Nokia Lumia 635. This new software update v01061.00074.14391.37104 provides no new features, but includes improvements. T-Mobile noted that that the only improvement in the update is inflight texting support.
Improvements
- Inflight texting support
If you have the following firmware versions,
- 01061.00074.14271.30100
- 01061.00070.14253.28018
After November 3, 2014, you may be prompted to update automatically.
Source: T-Mobile