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Description of problem: Huawei E3276 is 4G capable USB dongle. Here is the original product page. http://consumer.huawei.com/en/portable-internet/data-card/tech-specs/e3276-en.htm In Gnome Network Manager there are options for Mobile Broadband, Mobile Broadbad Tab, in Type field [1] Any [2] 2G [3] 3G [4] Prefer 3G [5] Prefer 2G [6] Prefer 4G [7] Use only 4G If the 3G signal is weak, if you select 3rd option (which is 3G), it will hold on 3G only some how with out switching in to slow 2G network (Huawei Modem indicator light shows the connected network type). Unfortunately this behaviour can not be seen in 'Use only 4G' option. With it network is switched to 2G. (It is feels as 4Mbps to 16kbps jump). The problem is can it hold on 4G. If 4G is not there, then go to 3G and STOP there. 'Prefer 4G' option does not do it. Device is identified by NetworkManager after usb_modswitch as 12d1:1506 Version-Release number of selected component (if applicable): NetworkManager-0.9.8.2-1.fc18.x86_64 ModemManager-0.6.2.0-1.fc18.x86_64 usb_modeswitch-1.2.6-1.fc18.x86_64 How reproducible: You need to try with a 4G USB modem with low signal condition. Create a profile for Mobile Broadband with 'Use only 4G' option. Steps to Reproduce: 1. Create a profile with 'Use only 4G' 2. Connect the USB modem and connect to Network 3. See the chnage of color of indicator bulb of the modem Actual results: Switching to green. And then to Cyan. Then again green and continue. Expected results: Only Cyan Additional info: lsusb output Bus 001 Device 011: ID 12d1:1506 Huawei Technologies Co., Ltd. E398 LTE/UMTS/GSM Modem/Networkcard
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If you still see the problem with the current version, can you attach NetworkManager and ModemManager logs. https://wiki.gnome.org/Projects/NetworkManager/Debugging#NM_3G_08_09
This message is a notice that Fedora 19 is now at end of life. Fedora has stopped maintaining and issuing updates for Fedora 19. It is Fedora's policy to close all bug reports from releases that are no longer maintained. Approximately 4 (four) weeks from now this bug will be closed as EOL if it remains open with a Fedora 'version' of '19'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version. Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora 19 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora, you are encouraged change the 'version' to a later Fedora version prior this bug is closed as described in the policy above. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.
Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.