Issue link: https://read.uberflip.com/i/1464685
LoRaWAN ® Firmware Management Protocol Specification TS006-1.0.0 ©2022 LoRa Alliance ® Page 12 of 14 The authors reserve the right to change specifications without notice. The ErrorNoValidImage bit signals that the end-device currently has no valid firmware 346 upgrade image stored. 347 348 The ErrorInvalidVersion bit signals that the version specified in the delete request 349 FirmwareToDeleteVersion field does not match the version of the valid firmware 350 upgrade image currently stored. 351 352 If either of those two bits is 1, the delete command did not succeed and the state of the end- 353 device SHALL stay unmodified. 354 355 Upon reception of a DevDeleteImageReq command, a valid, uncorrupted, and 356 authenticated firmware upgrade image that corresponds to the end-device's hardware 357 platform and has a firmware version equal to FirmwareToDeleteVersion SHALL be 358 deleted or invalidated by the end-device. 359