Huawei E392 firmware crash caused by MM issuing "AT*CNTI=2"

[Thomas Schäfer]

Am Montag, 18. November 2013, 11:21:05 schrieb Dan Williams:
> On Mon, 2013-11-18 at 09:55 +0100, Bjørn Mork wrote:

> > And sure enough: Trying "AT*CNTI=2" (after enabling the SIM with
> > AT+CPIN=....) in minicom makes the firmware crash, every time.
> > 

I did not try the pre condition at+cpin, because I work with disabled PIN

> 
> My E397 and E392 *do* implement CNTI=2 and do not crash, but they fail
> to report LTE capabilities in the command.  

I can confirm this for the E398.

At other devices I get only "error" and "command not support", but no crash.


Regards,

Thomas
-------------- next part --------------
OK
at
OK
at*cnti=2
*CNTI: 2, GSM, GPRS, EDGE, UMTS, HSDPA, HSUPA

OK
at*cnti=0
*CNTI: 0,NONE

OK
at*cnti=1
*CNTI: 1,NONE

OK
at+ws46=?
+WS46: (12,22,25,28,29)

OK
ati
Manufacturer: Huawei Technologies Co., Ltd.
Model: E398
Revision: 11.433.61.10.55
IMEI: 357149040058855
+GCAP: +CGSM


LTE not listed?

------------------------------------------------------------


at                                                                                   
OK                                                                                   
at*cnti=2                                                                            
ERROR                                                                                
at                                                                                   
OK
at*cnti=0
ERROR
at*cnti=1
ERROR
ati
Manufacturer: huawei
Model: E3276
Revision: 21.260.05.02.55
IMEI: 863781013840773
+GCAP: +CGSM,+DS,+ES

OK
at+ws46=?
COMMAND NOT SUPPORT

------------------------------------------------


ati                                                                                  
Manufacturer: huawei
Model: E1820
Revision: 11.825.03.00.567
IMEI: 357893034205499
+GCAP: +CGSM,+DS,+ES

OK
at*cnti=2
COMMAND NOT SUPPORT
at*cnti=0
COMMAND NOT SUPPORT
at*cnti=1
COMMAND NOT SUPPORT
at+ws46=?
+WS46: (12,22,25)

OK


----------------------------------------------



OK                                                                                   
at*cnti=2                                                                            
COMMAND NOT SUPPORT                                                                  
ati                                                                                  
Manufacturer: huawei
Model: E176
Revision: 11.126.02.01.55
IMEI: 355851020899644
+GCAP: +CGSM,+DS,+ES

OK
at+ws46=?
+WS46: (12,22,25)

OK



-------------------------------------------