MSR26-30路由器版本Version 7.1.054, ESS 020501需要升级吗

请问我这个设备可以升级吗？需要怎么操作？谢谢！！

设备详细信息如下：

H3C Comware Software, Version 7.1.054, ESS 020501 

 Copyright (c) 2004-2014 Hangzhou H3C Tech. Co., Ltd. All rights reserved. 

H3C MSR26-30 uptime is 17 weeks, 3 days, 16 hours, 38 minutes 

 Last reboot reason : Power on 

 Boot image: flash:/msr26-cmw710-boot-e020501.bin 

 Boot image version: 7.1.054, ESS 020501 

 Compiled Aug 12 2014 13:46:54 

 System image: flash:/msr26-cmw710-system-e020501.bin 

 System image version: 7.1.054, ESS 020501 

 Compiled Aug 12 2014 13:46:54  

CPU ID: 0x1 

 1G bytes DDR3 SDRAM Memory 

 2M bytes Flash Memory 

 PCB Version: 3.0 

 CPLD Version: 2.0 

 Basic BootWare Version: 1.43 

 Extended BootWare Version: 1.43 

 [SLOT 0]AUX (Hardware)3.0, (Driver)1.0, (CPLD)2.0 

 [SLOT 0]GE0/0 (Hardware)3.0, (Driver)1.0, (CPLD)2.0 

 [SLOT 0]GE0/1 (Hardware)3.0, (Driver)1.0, (CPLD)2.0 

 [SLOT 0]CELLULAR0/0 (Hardware)3.0, (Driver)1.0, (CPLD)2.0