[FS#1025] lede-17.01.2-ramips-mt7620-ArcherC50-squashfs-sysupgrade.bin does not fit on device

[LEDE Bugs]

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

User who did this - Rodolfo (rodoviario) 

Attached to Project - LEDE Project
Summary - lede-17.01.2-ramips-mt7620-ArcherC50-squashfs-sysupgrade.bin does not fit on device
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Supply the following if possible:
 - Device problem occurs on
TP-Link Archer C50, (EU) version

 - Software versions of LEDE release, packages, etc.
Running LEDE 17.01.1 fully functional.

 - Steps to reproduce
After a fresh upgrade to: 
**lede-17.01.1-ramips-mt7620-ArcherC50-squashfs-sysupgrade.bin** 
using the command shell and coming from 
**openwrt-ramips-mt7620-ArcherC50-squashfs-sysupgrade.bin** 
(there was no GUI).
You receive a warning if you try to upgrade from LUCI web upgrade to
**lede-17.01.2-ramips-mt7620-ArcherC50-squashfs-sysupgrade.bin**

Then right after a reboot and a login to LUCI, tryed webupdate to lede-17.01.2-ramips-mt7620-ArcherC50-squashfs-sysupgrade.bin and stared to the error warning in the screen capture below {{https://forum.lede-project.org/uploads/default/original/2X/9/983236d5c20ba2d6c114d1808bf23a99ef0acee6.png}}. There is a small thread about the difficulties to install LEDE on the European version of this router here: [[https://forum.lede-project.org/t/lede-on-tp-link-archer-c50-but-the-install-instructions-is-in-polish/3446/44|Lede Forum thread]]

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1025