Steps to perform MTR5-LEU2 firmware upgrade:
--------------------------------------------
- Web into the MTR5-LEU2 and login
- Click on System -> System tools -> FW Upgrade
  or
  Click on System Related -> System Tools -> Firmware Upgrade
- Click on Choose File button and select the firmware BIN file
- Click on the Upgrade button
 
- DO NOT INTERRUPT DURING THE FIRMWARE UPGRADE PROCESS.   IT WILL TAKE AT LEAST 8 MINUTES TO COMPLETE

 -   After firmware upgrade is successful, Web into the MTR5-LEU2 again and make sure it displays the correct firmware version number you just upgraded.
 -   Press and hold the reset button for minimum 10 seconds to reset the MTR5-LEU2 back to factory default settings in case there are any issues.

--------------------------
10/13/2015 (Version v4.05)
--------------------------
Firmware file name and version: 
	MultiTech_MTR5-LEU2_v405.BIN (Version v4.05)

Bug Fixes:
- Fixed - SIM card detection issue
- Fixed - firmware upgrade using HTTPS
- Fixed - varies captive portal issues when using with www.hostpotsystem.com

Enhancements:
- Added : Improve LTE data performance and throughput by using CDC ECM interface instead of PPP when making Cellular connection.
- Added : Firmware upgrade and configuration restore using the same web UI page
- Added : Allow periodic ICMP pinging of two local LAN hosts 
- Added : new cellular APN profiles
- Added : support TR069 using HTTPS


------------------------
6/5/2015 (Version v4.04)
------------------------
Firmware file name and version: 
	MultiTech_MTR5-LEU2_v404.BIN (Version v4.04)

Bug Fixes:
- Fixed - SIM pin code unlock issue during the initiating of 4G Cellular connection
- Fixed - some language error messages
- Fixed - Web user interface can not display more than 10 entries in MAC control setup page
- Fixed - After reset to default, and then set WAN as Ethernet, SIM status don't display
- Fixed - Refresh button of 3G/4G Modem Status page
- Fixed - Syslog sending log to LAN syslog server
- Fixed - login page sometime jump to status page when MTR5 logout
- Fixed - Router stop trying after Networking monitoring failure
- Fixed - SMS management not replying back
- Fixed - Varies browser and web user interface issues
- Fixed - DDNS update issue when WAN link failover occurs
- Fixed - Seamless Failover when switching back from 4G WAN to ethernet WAN
- Fixed - Varies SMS remote management issues
- Fixed - In Virtual COM RS232 setup, removed Hardware Flow control DTR/DSR option from web UI
- Fixed - WiFi WDS mode provides no statistics
- Fixed - Virtual COM RS232 TCP client mode file transfer downloading issue
- Fixed - Virtual COM RS232 TCP client mode auto initiating first connection after power on and after internet connection is active
- Fixed - Dual Power mode LEDs on / off display issue
- Fixed - Virtual COM RS232 and TCP client mode connection problem.


Enhancements:	
- Added - re-arrange and move MMI web timeout option to the System web UI password page
- Added - enhanced web user interface setup for OSPF and BGP routing
- Added - Captive Portal for managing public WiFi HotSpot using cloud service provider www.hotspotsystem.com 
- Added - Cellular WAN link data usage allowance management 
- Added - Web user interface to allow adding server settings for easy configuration.  Servers such as Syslog, Mail, Radius, UAM, LDAP and Active directory
- Added - Cellular WAN Link Network type and scan management selection
- Added - Simplified WAN link Network Monitoring options in the Web user interface
- Added - Dual SIM switching based on data usage allowance 
- Added - Combined System related menus in the Web user interface
- Added - WISP (Wireless internet service provider).  WiFi client can be set up as WAN link and at the same time WiFi AP can be used as local Access Point
- Added - UPnP feature in System Management
- Added - Enhanced QoS set up menus in the Web user interface
- Added - Enhanced DHCP Server set up menus in the Web user interface
- Added - Enhanced the Network status page display
- Added - Auto Reboot based on time schedule
- Added - Allow a list of preconfigured AT commands to be sent to Cellular modem before making connection
- Added - method to support direct AT command mode access to the internal Cellular modem via LAN interface using Telnet or SSH
- Added - Dual SIM A/B auto switching based on network failure or data usage limit
- Added - virtual server allows multi-to-multi port range mapping
- Added - detect LTE module lockup and auto HW reset and auto recover
 
