--- a/doc/Modem-configs	Thu Jun 21 06:39:54 2018 +0000
+++ b/doc/Modem-configs	Thu Jun 21 17:30:42 2018 +0000
@@ -58,13 +58,16 @@
 been done.  However, the transition from l1reconst to hybrid involves wholesale
 replacement of two major firmware components (G23M PS and ACI) and some
 important associated support pieces with entirely different versions from a
-different TI program, hence extensive testing and debugging will be needed.
+different TI program, hence it can certainly benefit from more thorough testing.
 
-So far the most-deblobbed hybrid config looks very promising: after fixing the
-hideous bug resulting from the addition of A5/3 support in TCS3.2 (hardware
-feature available on LoCosto but not on Calypso), voice calls work perfectly,
-both with the legacy codecs and with AMR!  (The same A5/3 bugfix has also been
-applied to our Citrine fw, hence the latter now has working voice calls too.)
-However, it is almost certain that there are a ton of minor bugs which need to
-be shaken out, hence this firmware build config should be treated as
-experimental for the time being, not production.
+So far the most-deblobbed hybrid config looks very promising: voice, SMS and
+GPRS work perfectly in my (Mother Mychaela's) lab environment, and even CSD has
+finally been proven to work as well on 2018-06-21.  CSD functionality has been
+extremely difficult to test because it has been very unreliable lately on the
+network side in my geographical location (T-Mobile USA), with CSD calls failing
+something like 99.9% of the time with a NO CARRIER response to the ATD command,
+using exactly the same modem hardware and firmware that worked flawlessly for
+CSD several years earlier, which makes it extremely difficult to test CSD calls
+with new firmware - but I finally succeeded in making a CSD call from an FCDEV3B
+running FC Magnetite hybrid on 2018-06-21, proving that the new hybrid fw is
+good for CSD functionality in addition to the better-tested voice, SMS and GPRS.