[FS#378] Flash new firmware image success by u-boot only

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - qingzi (qingzi) 

Attached to Project - LEDE Project
Summary - Flash new firmware image success by u-boot only
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - LEDE Reboot SNAPSHOT r2699-939ef15 / LuCI Master (git-16.358.28306-df0d765)
lede-ramips-mt7620-gl-mt300a-squashfs-sysupgrade.bin

after use luci or systemupgrade Flash new firmware image, could not access gl-inet mt300a, only use u-boot flash firmware works.

help wanted.
 

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=378