# Em7455 !boothold: not implemented

**URL:** <https://forum.sierrawireless.com/t/em7455-boothold-not-implemented/13090>\
**Category:** MC/EM Series\
**Created:** [July 7, 2018, 8:13am UTC](https://forum.sierrawireless.com/t/em7455-boothold-not-implemented/13090 "2018-07-07T08:13:03Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![JawnZ](https://avatars.discourse-cdn.com/v4/letter/j/e99b99/32.png) [@JawnZ](https://forum.sierrawireless.com/u/JawnZ)\
**Post date:** [July 7, 2018, 8:13am UTC](https://forum.sierrawireless.com/t/em7455-boothold-not-implemented/13090/1 "2018-07-07T08:13:03Z")

</div>

I am trying to upgrade my Em7455. It’s got super outdated firmware, and that’s causing my issues.

```
Recieve: ATI
Recieve: Manufacturer: Sierra Wireless, Incorporated
Recieve: Model: EM7455
Recieve: Revision: SWI9X30C_00.08.02.00 r1706 carmd-fwbuild4 2015/03/10 08:07:02
Recieve: IMEI: 359073060005497
Recieve: IMEI SV: 0
Recieve: FSN: LF511300090202
Recieve: +GCAP: +CGSM
Recieve: OK

```

I am trying to update it using this command:

```
λ .\fdt2.exe -d 9x30 -f .\SWI9X30C_02.24.05.06.cwe SWI9X30C_02.24.05.06_GENERIC_002.026_000.nvu
FDT version: 1.0.1804.0
Awaiting suitable port or adapter ...
Switching to boot & hold mode ...
Disabling selective suspend ...
Awaiting DM port ...
Enabling selective suspend ...
Firmware download failed.
Primary error code: 82 - Failed in checking modem mode.
Secondary error code: 66 - Failed in initiazing comport.
Device error code: 0x0 - Unknown device error code.

Preexisting images information:
        Current:
                Firmware:
                        ImageId:
                        BuildId:
                Configuration:
                        ImageId:
                        BuildId:
Final images information:
        Current:
                Firmware:
                        ImageId:
                        BuildId:
                Configuration:
                        ImageId:
                        BuildId:

OEM PRI:

IMEI:

Total time elapsed: 180547 ms.

Time to switch to boot mode: -1 ms.

Images downloaded:

Press Enter to continue ...

```

I also tried a one-click with this file 9999999\_9904609\_SWI9X30C\_02.24.05.06\_00\_GENERIC\_002.026\_000

and I get this:

```
FDT version: 1.0.1702.1
Awaiting adapter ...                                                                                                                                         
Setting images preference ...
Enabling selective suspend ...
Firmware download failed.
Primary error code: 51 - Failed to switch device to BOOT&HOLD mode.
Secondary error code: 201 - Failed to switch device to QDL mode.
Device error code: 0x0 - Unknown device error code
Preexisting images information:
Current:
Firmware:
    ImageId:
    BuildId:
    Configuration:
   ImageId:
    BuildId:
    Final images information: 
    Current: 
    Firmware:
    ImageId:
    BuildId:
    Configuration:
    ImageId:
    BuildId:                                                                                                                                                                                                                                                                                          
    OEM PRI:                                                                                                                                                                                                                                                                                                                  
    IMEI:                                                                                                                                                                                                                                                                                                                     
    Total time elapsed: 10329 ms.                                                                                                                                                                                                                                                                                                                                                                                                                                                          
    Images downloaded:                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
    Press Enter to continue ...
```

---

<div class="post-metadata">

**Author:** ![falkenber9](https://avatars.discourse-cdn.com/v4/letter/f/7ab992/32.png) [@falkenber9](https://forum.sierrawireless.com/u/falkenber9)\
**Post date:** [July 8, 2018, 9:26pm UTC](https://forum.sierrawireless.com/t/em7455-boothold-not-implemented/13090/2 "2018-07-08T21:26:12Z")

</div>

Hi,

maybe you are affected by the same issue mentioned here for the 7565 device.

[https://forum.sierrawireless.com/t/solved-em7565-firmware-update-from-01-00-02-00-to-01-07-00-00/13010/21](https://forum.sierrawireless.com/t/solved-em7565-firmware-update-from-01-00-02-00-to-01-07-00-00/13010/21)