Details for Error code E48/0300

MFG-Mode: Connection Failed

5 red lights

Primary Error code:2 Red & 2 Green Lights alternating 2 Red & 2 Green Lights alternating
E-Code / Secondary Error code:E48 / 0300
Binary/Hex:00110000 / 0x30 -> 48
Known fixes:

1) Reflow the Southbridge
2) Restore the NAND content using Xell and the JTAG hack

Related Errors:
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It shows that when the console is in manufacturing mode, theoretically it can also be a Southbridge issue so reflowing might work.
More likely is an improper NAND update though, so a software related problem.
The detailed description is: Mfgbootlauncher Failed to connect




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Notice: None of this is official, the methods have often been proven to work but success cannot be guaranteed, you do it on your own risk!
If your console is still covered by the 3 year warranty use it because Microsoft will fix it for free!
A lot of the information you are getting here has been collected in the community, so thanks to everybody who shared his misery!



Xbox Repair Guide

Please select the number of (red) lights that your ring of light shows:

0 red lights
1 red light
2 red lights
3 red lights

4 red lights


Error codes

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