# xbee s2 - problem with changing from end device to router

**URL:** <https://forums.digi.com/t/xbee-s2-problem-with-changing-from-end-device-to-router/13449>\
**Category:** XBee & XBee Gateway\
**Tags:** coordinator, router, xbee\
**Created:** [August 12, 2014, 4:32am UTC](https://forums.digi.com/t/xbee-s2-problem-with-changing-from-end-device-to-router/13449 "2014-08-12T04:32:22Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![louiskhanh](https://avatars.discourse-cdn.com/v4/letter/l/c4cdca/32.png) [@louiskhanh](https://forums.digi.com/u/louiskhanh)\
**Post date:** [August 12, 2014, 4:32am UTC](https://forums.digi.com/t/xbee-s2-problem-with-changing-from-end-device-to-router/13449/1 "2014-08-12T04:32:22Z")

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hi everyone,  
i’ve tried to change from ED to RT but it failed.  
It warned " Could not open output file".  
My XBEE is XB24-ZB.  
Please help me !!!

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**Author:** ![mvut](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.digi.com/mvut/32/31_2.png) [@mvut](https://forums.digi.com/u/mvut)\
**Post date:** [August 18, 2014, 2:40pm UTC](https://forums.digi.com/t/xbee-s2-problem-with-changing-from-end-device-to-router/13449/2 "2014-08-18T14:40:50Z")

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How are you connecting the radio to the PC?  
How are you trying to change the firmware? What are your exact steps?