With firmware 6.61 on a Q2686H, almost all Short message Commands reply with:
+CMS ERROR: 302
With firmware 6.60 on exactly the same module and SIM card, these commands work without problems.
Repeated tests have been made to rule out temporary network problems.
As we have not received any FW 6.61 Release Note, it is not possible for us to see what changes have been made between the two versions that could possibly affect the behaviour.
The same SIM-card also works with the Short message commands on Q2400A, Q2406B and other modules.
Hardware Version 4.03
Production Date (W/Y): 15/2006
661_09gg.Q2686H 1925236 100506 11:13
What we would like to know is what Wavecom have “fixed” in 6.61 that completely breaks the Short message Commands, and what can be done to get them working again with 6.61.