diff --git a/doc/erko_howto_tools.txt b/doc/erko_howto_tools.txt
index 2ed1a047c7a79fb283c2d64f6099130986d150e8..76a7043e482db41681a7692079cc5965663289c3 100755
--- a/doc/erko_howto_tools.txt
+++ b/doc/erko_howto_tools.txt
@@ -307,6 +307,19 @@ sdp_rw.py --host cs001c.control.lofar --port 4840 -w boot_image [1]*16
 # checken of het gebeurt is:
 sdp_rw.py --host cs001c.control.lofar --port 4840 -r firmware_version
 
+*******************************************************************************
+* Idem Flash and reboot on SDP-ARTS via dop386 = 10.87.0.186, e.g. from regtest machine
+
+sdp_rw.py --host 10.87.0.186 --port 4842 -r firmware_version
+
+sdp_firmware.py --host 10.87.0.186 --port 4842 --write --image USER --file ~/git/hdl/build_result/2024-03-02T23u58_lofar2_unb2b_sdp_station_full_wg_208MHz/lofar2_unb2b_sdp_station_full_wg-d601da896.rbf
+
+sdp_firmware.py --host 10.87.0.186 --port 4842 --read --verify --image USER --file ~/git/hdl/build_result/2024-03-02T23u58_lofar2_unb2b_sdp_station_full_wg_208MHz/lofar2_unb2b_sdp_station_full_wg-d601da896.rbf
+
+sdp_rw.py --host 10.87.0.186 --port 4842 -w boot_image [1]*16
+sdp_rw.py --host 10.87.0.186 --port 4842 -r firmware_version
+
+*******************************************************************************
 
 4 sept 2023
 How to reach the SDP Translators on LCU2 in CS001? I got this from Reinier and Pieter to tunnel to the SDPTR, so that I can run the flash commands: