# \#faq **URL:** https://forum.sierrawireless.com/tag/faq/6.md [Latest](https://forum.sierrawireless.com/latest.md) · [Categories](https://forum.sierrawireless.com/categories.md) · [Tags](https://forum.sierrawireless.com/tags.md) --- ## [Regarding the Download of RV50X Firmware Version 4.9.3](https://forum.sierrawireless.com/t/regarding-the-download-of-rv50x-firmware-version-4-9-3/36096)
**Author:** [@ext.takanori.hirai](https://forum.sierrawireless.com/u/ext.takanori.hirai)\ **Replies:** 2\ **Last updated:** [September 17, 2026, 2:53am UTC](https://forum.sierrawireless.com/t/regarding-the-download-of-rv50x-firmware-version-4-9-3/36096 "2026-09-17T02:53:21Z")
I attempted to download firmware version 4.9.3 for the RV50X from the following page: However, the download link is broken. Could you please let me know if there is any other way to obtain this firmware file? For yo… --- ## [EM7590 Verizon Firmware – Unexpected Enterprise APN in PDP Context 3](https://forum.sierrawireless.com/t/em7590-verizon-firmware-unexpected-enterprise-apn-in-pdp-context-3/35974)
**Author:** [@liam1](https://forum.sierrawireless.com/u/liam1)\ **Replies:** 10\ **Last updated:** [September 16, 2026, 8:09am UTC](https://forum.sierrawireless.com/t/em7590-verizon-firmware-unexpected-enterprise-apn-in-pdp-context-3/35974 "2026-09-16T08:09:59Z")
We are testing an EM7590 using the Verizon firmware/PRI: current fw version: 04.00.04.00 current carrier name: VERIZON current config name: VERIZON\_004.000\_000 current subpri index: 000 \>\>\> AT!PRIID? PRI… --- ## [Setting up EM9291 Module](https://forum.sierrawireless.com/t/setting-up-em9291-module/35558)
**Author:** [@arti.rajput](https://forum.sierrawireless.com/u/arti.rajput)\ **Replies:** 35\ **Last updated:** [May 1, 2026, 5:37am UTC](https://forum.sierrawireless.com/t/setting-up-em9291-module/35558 "2026-05-01T05:37:01Z")
Hi, I have been looking for documentation on how to set up and use the EM9291 module with a host device, such as a Raspberry Pi. Do we have any documents outlining the steps to set up, configure, and test the EM9291 mo… --- ## [WP7610 has a PDP context but no data usage](https://forum.sierrawireless.com/t/wp7610-has-a-pdp-context-but-no-data-usage/32166)
**Author:** [@anne.johan.de.vries](https://forum.sierrawireless.com/u/anne.johan.de.vries)\ **Replies:** 7\ **Last updated:** [March 24, 2026, 10:46am UTC](https://forum.sierrawireless.com/t/wp7610-has-a-pdp-context-but-no-data-usage/32166 "2026-03-24T10:46:31Z")
We use both the WP7607 (EU) modem and the WP7610 (US) modem. The modems are part of an industrial computer which are installed in aviation ground support machines. These machines are sold world-wide. The computer runs o… --- ## [How to use eSIM on EM9291 module](https://forum.sierrawireless.com/t/how-to-use-esim-on-em9291-module/35627)
**Author:** [@arti.rajput](https://forum.sierrawireless.com/u/arti.rajput)\ **Replies:** 19\ **Last updated:** [November 24, 2025, 5:39am UTC](https://forum.sierrawireless.com/t/how-to-use-esim-on-em9291-module/35627 "2025-11-24T05:39:50Z")
Hi @jyijyi , How to use esim on the sierra EM9291 module? Can you please help me check if it is enabled and how to validate it? Thanks, Arti --- ## [Does EM9291 Support UL MIMO or TX Diversity in LTE](https://forum.sierrawireless.com/t/does-em9291-support-ul-mimo-or-tx-diversity-in-lte/35606)
**Author:** [@pamela.patton](https://forum.sierrawireless.com/u/pamela.patton)\ **Replies:** 1\ **Last updated:** [November 6, 2025, 1:26am UTC](https://forum.sierrawireless.com/t/does-em9291-support-ul-mimo-or-tx-diversity-in-lte/35606 "2025-11-06T01:26:13Z")
Does the EM9291 support UL MIMO or TX Diversity in LTE mode? --- ## [How to configure MIMO on EM9291?](https://forum.sierrawireless.com/t/how-to-configure-mimo-on-em9291/35597)
**Author:** [@pamela.patton](https://forum.sierrawireless.com/u/pamela.patton)\ **Replies:** 9\ **Last updated:** [November 3, 2025, 3:40pm UTC](https://forum.sierrawireless.com/t/how-to-configure-mimo-on-em9291/35597 "2025-11-03T15:40:29Z")
Can I configure the EM9291 to run in 2x2 MIMO mode in both LTE and 5GNR? Is it band specific? It seems to be in 4DL x 2UL mode right now. --- ## [FDT2 Tool - Simultaneous Flashing in Windows?](https://forum.sierrawireless.com/t/fdt2-tool-simultaneous-flashing-in-windows/35364)
**Author:** [@SteveDave](https://forum.sierrawireless.com/u/SteveDave)\ **Replies:** 5\ **Last updated:** [August 20, 2025, 8:03pm UTC](https://forum.sierrawireless.com/t/fdt2-tool-simultaneous-flashing-in-windows/35364 "2025-08-20T20:03:24Z")
Hello All, I’m wondering if anyone has ever figured out whether or not it’s possible to flash multiple WP76xx modules using one instance of fdt2.exe? The documentation for this tool is terribly sparse for a product mean… --- ## [How to people check in their modems to AMM](https://forum.sierrawireless.com/t/how-to-people-check-in-their-modems-to-amm/35321)
**Author:** [@nicholas.baker](https://forum.sierrawireless.com/u/nicholas.baker)\ **Replies:** 0\ **Last updated:** [July 29, 2025, 9:28pm UTC](https://forum.sierrawireless.com/t/how-to-people-check-in-their-modems-to-amm/35321 "2025-07-29T21:28:51Z")
I just wanted to get an idea on how people do the initial check-in for their modems in. We currently have rv55 pro lte-a that check into AMM. Our AMM portal is in our Local ICS env and does not have direct internet acces… --- ## [EM9190 Working with ESim Profiles and switching WinRT](https://forum.sierrawireless.com/t/em9190-working-with-esim-profiles-and-switching-winrt/35273)
**Author:** [@jaideep.shekhar21](https://forum.sierrawireless.com/u/jaideep.shekhar21)\ **Replies:** 3\ **Last updated:** [July 23, 2025, 3:50pm UTC](https://forum.sierrawireless.com/t/em9190-working-with-esim-profiles-and-switching-winrt/35273 "2025-07-23T15:50:32Z")
Can anyone direct me to a minimal reproducible example of how to access the esim and search through its profiles to see which one is enabled and change the profiles? As well as other examples using WinRT on windows. Than… --- ## [No Root SSH ACCESS on WP7702 FX30](https://forum.sierrawireless.com/t/no-root-ssh-access-on-wp7702-fx30/34710)
**Author:** [@Muammer.yildizer](https://forum.sierrawireless.com/u/Muammer.yildizer)\ **Replies:** 27\ **Last updated:** [June 30, 2025, 4:28pm UTC](https://forum.sierrawireless.com/t/no-root-ssh-access-on-wp7702-fx30/34710 "2025-06-30T16:28:30Z")
Hi, I have tan issue on my WP7702, I can’t have Root SSH access on the FX30. It gives me the error (lsh:SWI-FX30-CATM) xxx@xxx:~/newWorkspace$ ssh root@192.168.2.2 ssh: connect to host 192.168.2.2 port 22: Connection … --- ## [EM9190 Startup takes long time](https://forum.sierrawireless.com/t/em9190-startup-takes-long-time/31180)
**Author:** [@lachesislegion](https://forum.sierrawireless.com/u/lachesislegion)\ **Replies:** 10\ **Last updated:** [June 28, 2025, 6:29am UTC](https://forum.sierrawireless.com/t/em9190-startup-takes-long-time/31180 "2025-06-28T06:29:25Z")
I found my EM9190 module often takes about 1 minute to be fired up and ready to establish connection with computer,does any option i can set to accelerate the startup process? --- ## [EM7411 Card fails to initialize and is hidden in device manager](https://forum.sierrawireless.com/t/em7411-card-fails-to-initialize-and-is-hidden-in-device-manager/34557)
**Author:** [@cjeffrey](https://forum.sierrawireless.com/u/cjeffrey)\ **Replies:** 1\ **Last updated:** [February 27, 2025, 11:13pm UTC](https://forum.sierrawireless.com/t/em7411-card-fails-to-initialize-and-is-hidden-in-device-manager/34557 "2025-02-27T23:13:37Z")
I work with Winmate FM10EC’s that are equipped with EM7411 Sierra cards. These cards have been constantly difficult and problematic to work with. Currently I am dealing with an issue where the device is listed in the dev… --- ## [Error in TCP Connection](https://forum.sierrawireless.com/t/error-in-tcp-connection/34545)
**Author:** [@mrinmoy](https://forum.sierrawireless.com/u/mrinmoy)\ **Replies:** 3\ **Last updated:** [February 26, 2025, 4:42pm UTC](https://forum.sierrawireless.com/t/error-in-tcp-connection/34545 "2025-02-26T16:42:40Z")
Hi, I am getting error while using CGDCONT=1,“IPV6” but works fine with CGDCONT=1,“IP” not able to understand the issue, kindly help \[2025-02-26 20:59:53\] AT+CGMM \[2025-02-26 20:59:53\] \[2025-02-26 20:59:53\] HL7692 … --- ## [mangOH yellow layout (PDF)](https://forum.sierrawireless.com/t/mangoh-yellow-layout-pdf/28323)
**Author:** [@takashi\_shiina](https://forum.sierrawireless.com/u/takashi_shiina)\ **Replies:** 10\ **Last updated:** [February 18, 2025, 1:27am UTC](https://forum.sierrawireless.com/t/mangoh-yellow-layout-pdf/28323 "2025-02-18T01:27:35Z")
Our customer bought mangOH yellow. To reference mangOH yellow, customer requested the layout. Please let us know how to get layout for mangOH yellow. Note: Customer requested PDF format, please help it. --- ## [RV55 Serial Connection to Google Cloud Remote Server](https://forum.sierrawireless.com/t/rv55-serial-connection-to-google-cloud-remote-server/34377)
**Author:** [@instr.data](https://forum.sierrawireless.com/u/instr.data)\ **Replies:** 1\ **Last updated:** [February 5, 2025, 9:05am UTC](https://forum.sierrawireless.com/t/rv55-serial-connection-to-google-cloud-remote-server/34377 "2025-02-05T09:05:59Z")
Hi! I am currently trying to configure my modem RV55 which is connected to an Instantel Micromate sensor machine through USB/Serial cable. The RV55 has a public SIM card and public static IP address. I am wondering how t… --- ## [Unable to login to root](https://forum.sierrawireless.com/t/unable-to-login-to-root/34022)
**Author:** [@sivasankarb](https://forum.sierrawireless.com/u/sivasankarb)\ **Replies:** 19\ **Last updated:** [November 19, 2024, 12:48pm UTC](https://forum.sierrawireless.com/t/unable-to-login-to-root/34022 "2024-11-19T12:48:11Z")
I am trying to connect gateway WP7702 using putty. but it shows "No supported authentication methods available(Server sent:publickey). i have tried with winscp also showing same error. how to resolve it. --- ## [WP7702 UMTS Uplink Scrambling code](https://forum.sierrawireless.com/t/wp7702-umts-uplink-scrambling-code/33727)
**Author:** [@myadamlevin](https://forum.sierrawireless.com/u/myadamlevin)\ **Replies:** 3\ **Last updated:** [October 1, 2024, 1:09pm UTC](https://forum.sierrawireless.com/t/wp7702-umts-uplink-scrambling-code/33727 "2024-10-01T13:09:18Z")
Hello, I am using WP7702 with a mangoh yellow to run some tests and in specific want to check connection and transmission from the device. I am using AT commands (Above the COM port over the USB connected to my PC) and… --- ## [WP7611 GPIOs?](https://forum.sierrawireless.com/t/wp7611-gpios/32745)
**Author:** [@SteveDave](https://forum.sierrawireless.com/u/SteveDave)\ **Replies:** 20\ **Last updated:** [July 16, 2024, 5:27pm UTC](https://forum.sierrawireless.com/t/wp7611-gpios/32745 "2024-07-16T17:27:27Z")
Hello All, I am working to migrate my product over from the WP7603-1 to the WP7611-1 as the 7603 is now obsolete. So far in my testing mostly everything is working, except I have one minor confusion. In the datasheet f… --- ## [3 RV50X Site to Site VPN Connection](https://forum.sierrawireless.com/t/3-rv50x-site-to-site-vpn-connection/32728)
**Author:** [@J4521](https://forum.sierrawireless.com/u/J4521)\ **Replies:** 1\ **Last updated:** [July 10, 2024, 11:07am UTC](https://forum.sierrawireless.com/t/3-rv50x-site-to-site-vpn-connection/32728 "2024-07-10T11:07:46Z")
I have 3 RV50x units: one acting as a server and the remaining two as clients. I’ve successfully established site-to-site VPN connections between the server and the two clients without any issues. During the setup, I use… --- ## [GL7812 - it is not detected by system (Windows 10) and it couldn't register](https://forum.sierrawireless.com/t/gl7812-it-is-not-detected-by-system-windows-10-and-it-couldnt-register/32564)
**Author:** [@szymon.czapla](https://forum.sierrawireless.com/u/szymon.czapla)\ **Replies:** 4\ **Last updated:** [June 26, 2024, 11:32am UTC](https://forum.sierrawireless.com/t/gl7812-it-is-not-detected-by-system-windows-10-and-it-couldnt-register/32564 "2024-06-26T11:32:51Z")
Hello, I couldn’t find a similar topic to that one. I have made the setup exatly like in manual: SIM card is insterted correctly. Given power is between 6-24V a max current is set to 1A Modem is connected to laptop de… --- ## [SIM-based switching with 'impref="AUTO-SIM", advantages & disadvantages](https://forum.sierrawireless.com/t/sim-based-switching-with-impref-auto-sim-advantages-disadvantages/32559)
**Author:** [@anne.johan.de.vries](https://forum.sierrawireless.com/u/anne.johan.de.vries)\ **Replies:** 4\ **Last updated:** [June 17, 2024, 11:47am UTC](https://forum.sierrawireless.com/t/sim-based-switching-with-impref-auto-sim-advantages-disadvantages/32559 "2024-06-17T11:47:42Z")
Hi, I see that the WP7610 modem comes with three firmware images: at!image? TYPE SLOT STATUS LRU FAILURES UNIQUE\_ID BUILD\_ID FW 1 GOOD 8 0 0 ?\_? 02.28.03.01\_? FW 2 GOOD 3 0 4 002.1… --- ## [Sending SMS from USB Modem and Getting CMS Error 350](https://forum.sierrawireless.com/t/sending-sms-from-usb-modem-and-getting-cms-error-350/32550)
**Author:** [@nilender.nath](https://forum.sierrawireless.com/u/nilender.nath)\ **Replies:** 1\ **Last updated:** [June 14, 2024, 9:54am UTC](https://forum.sierrawireless.com/t/sending-sms-from-usb-modem-and-getting-cms-error-350/32550 "2024-06-14T09:54:05Z")
I am not able to send normal text messages. This post did not mention the original numbers due to security concerns. Kindly help me resolve the following error. at+creg? +CREG: 0,1 OK at+csq +csq: 19,99 OK at+cops… --- ## [STK Command not running. Always Gives Error](https://forum.sierrawireless.com/t/stk-command-not-running-always-gives-error/32549)
**Author:** [@nilender.nath](https://forum.sierrawireless.com/u/nilender.nath)\ **Replies:** 4\ **Last updated:** [June 14, 2024, 9:26am UTC](https://forum.sierrawireless.com/t/stk-command-not-running-always-gives-error/32549 "2024-06-14T09:26:32Z")
I have upgraded my RC7620 to firware SWI9X07H\_00.08.24.02 f90cbd jenkins 2022/03/21 03:47:54 Now When Iam running following command related to stk, it gives error: at\*psstki? ERROR at!custom=“STKUIEN”,2 ERROR Need … --- ## [Does the HL781x GPIO support I2C and SPI?](https://forum.sierrawireless.com/t/does-the-hl781x-gpio-support-i2c-and-spi/32547)
**Author:** [@jerry.li](https://forum.sierrawireless.com/u/jerry.li)\ **Replies:** 2\ **Last updated:** [June 14, 2024, 7:21am UTC](https://forum.sierrawireless.com/t/does-the-hl781x-gpio-support-i2c-and-spi/32547 "2024-06-14T07:21:07Z")
Hi everyone, I would like to know if the HL781x module GPIO can support I2C and SPI? Can anyone help me answer this question? --- ## [RV55 Port Forwarding - HTML issue](https://forum.sierrawireless.com/t/rv55-port-forwarding-html-issue/32490)
**Author:** [@mgoede](https://forum.sierrawireless.com/u/mgoede)\ **Replies:** 3\ **Last updated:** [June 10, 2024, 9:50am UTC](https://forum.sierrawireless.com/t/rv55-port-forwarding-html-issue/32490 "2024-06-10T09:50:34Z")
I have an IoT device behind an RV55 set up with port forwarding. Currently, some ports are passing through but not others. Specifically, trying to access the web server on port 443 fails. Other ports that I have set u… --- ## [\[Android\] Cellular Network does not show in GUI](https://forum.sierrawireless.com/t/android-cellular-network-does-not-show-in-gui/32342)
**Author:** [@levietthien1234](https://forum.sierrawireless.com/u/levietthien1234)\ **Replies:** 2\ **Last updated:** [May 20, 2024, 3:56am UTC](https://forum.sierrawireless.com/t/android-cellular-network-does-not-show-in-gui/32342 "2024-05-20T03:56:19Z")
Hello everyone, I’m using Raspberry Pi 4 as the Android host (images were built by AOSP). I connect the EM9190 module to the host and currently the AT port, wwan0 are available. But when check the Setting UI in the host… --- ## [LX60 IP Passthrou Question](https://forum.sierrawireless.com/t/lx60-ip-passthrou-question/32296)
**Author:** [@langan](https://forum.sierrawireless.com/u/langan)\ **Replies:** 1\ **Last updated:** [May 13, 2024, 11:16am UTC](https://forum.sierrawireless.com/t/lx60-ip-passthrou-question/32296 "2024-05-13T11:16:42Z")
Hello, We are using the LX60 at 17 and have a quesiton on IP Passthrough. The way it’s configured is that our end device is plugged into a unmanage switch. This is pulled into port 1 of the Modem which is configured for… --- ## [Where do I start with a laptop and a EM7421](https://forum.sierrawireless.com/t/where-do-i-start-with-a-laptop-and-a-em7421/32080)
**Author:** [@wbvjuqan9tm48sf5dzch](https://forum.sierrawireless.com/u/wbvjuqan9tm48sf5dzch)\ **Replies:** 11\ **Last updated:** [April 14, 2024, 1:30am UTC](https://forum.sierrawireless.com/t/where-do-i-start-with-a-laptop-and-a-em7421/32080 "2024-04-14T01:30:53Z")
Hello, I have my fujitsu notebook since 2 years now and never tested this Sierra Wireless functionality. I am completely new to this and found no way to make it work using the drivers. Is it possible to get this to work… --- ## [VPN Inbound Port Filtering](https://forum.sierrawireless.com/t/vpn-inbound-port-filtering/32072)
**Author:** [@xElrik](https://forum.sierrawireless.com/u/xElrik)\ **Replies:** 0\ **Last updated:** [April 12, 2024, 6:09am UTC](https://forum.sierrawireless.com/t/vpn-inbound-port-filtering/32072 "2024-04-12T06:09:46Z")
Hi, I have a question regarding Inbound Ports Filtering. Do the port filtering rules also apply to OpenVPN tunnels? Thanks in advance. [Next page](https://forum.sierrawireless.com/tag/faq/6.md?match_all_tags=true&page=1&tags%5B%5D=faq)