SBG3300-N bricked, how to recover back.

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mlml139
mlml139 Posts: 6  Freshman Member
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edited April 2018 in Smart Home Product
my SBG3300-N bricked, 4 lan port can used as switch, Plugging an Ethernat cable from router to PC, connection light comes ON but no IP address is assigned to PC, tried assigning address to PC in the range of 192.168.1.x manually and couldn't ping the router on either .
Was wondering if there is another procedure to restore the firmware? maybe via USB or using some application that can access the router over some different protocols?

#Biz_Security_April

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  • Cooldy
    Cooldy Posts: 9  Freshman Member
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    Hi mlml139,
    The procedure as below,

    Step 1

    Set PC IP:192.168.1.100/24

    Setp 2 

    Set console rate: 115200

    Step 3 

    Power up SBG.  Press any key to CFE mode

    Setp 4

    Go to Update Software web page via http://192.168.1.1.

    Step 5

    Click "選擇檔案" to select firmware (XXXXX.bin)

    Step 6

    Click "Upgrade Software" to upgrade SBG




  • mlml139
    mlml139 Posts: 6  Freshman Member
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    Thanks will try when i back to south africa.
  • mlml139
    mlml139 Posts: 6  Freshman Member
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    edited March 2021
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    how is this 4 jumpers work. i tryed tx2 rx3, gnd 5,  no data come.
    this is the light like after swich on. if u pulg lan cable, the port light will on,  is this broken or still can recover back?
  • mlml139
    mlml139 Posts: 6  Freshman Member
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    after i connect ttl there is nothing come out,
    did tried set IP but can not ping 192.168.1.1. 
    was update fireware online, then dead.
  • mlml139
    mlml139 Posts: 6  Freshman Member
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    looks like no rom in eprom, is any way to recover back? 
  • thabomashaba
    thabomashaba Posts: 3
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    When faced with a bricked SBG3300-N router, alternative methods for firmware restoration may include USB recovery, accessing the router's serial console port for direct interaction, utilizing the JTAG interface if available, or seeking assistance from the manufacturer's support team for specialized recovery options. Each method requires careful adherence to instructions provided by the manufacturer to mitigate risks and ensure successful restoration of the firmware. Sassa Appeal

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