I' m have C881W-A-K9 factory defaul this device have flash:, flash:0:, flash:1:. Then flash format from ROMMON, only 1 flash device "flash". How back flash partition again. (factory default).
Router boot from ROMMON
ifs_open failed, path flash:1:/env_vars errno 2574
*Aug 22 21:52:23.131: %CRYPTO-6-ISAKMP_ON_OFF: ISAKMP is OFF
*Aug 22 21:52:23.131: %CRYPTO-6-GDOI_ON_OFF: GDOI is OFF
*Aug 22 21:52:30.763: %SECONDCORE-5-BOOTSTAGE: ROMMON on 2nd core UP
*Aug 22 21:52:30.867: %SECONDCORE-5-BOOTSTAGE: AP-BOOTLOADER on 2nd core UP
isco IOS Software, C800 Software (C800-UNIVERSALK9-M), Version 15.3(3)M, RELEAS
E SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2013 by Cisco Systems, Inc.
Compiled Mon 22-Jul-13 05:25 by prod_rel_team
ROM: System Bootstrap, Version 15.1(4r)M, RELEASE SOFTWARE (fc1)
router uptime is 1 minute
System returned to ROM by reload at 21:49:34 UTC Thu Aug 22 2013
System image file is "flash:c800-universalk9-mz.SPA.153-3.M.bin"
Cisco C881W-E-K9 (revision 1.0) with 363596K/29619K bytes of memory.
Processor board ID FCZ1718C2CY
5 FastEthernet interfaces
1 Gigabit Ethernet interface
1 terminal line
1 Virtual Private Network (VPN) Module
1 cisco Embedded AP (s)
DRAM configuration is 32 bits wide
255K bytes of non-volatile configuration memory.
250880K bytes of ATA System CompactFlash (Read/Write)