diff --git a/locale/cs.po b/locale/cs.po
index 389f2a8763..49916c32e7 100644
--- a/locale/cs.po
+++ b/locale/cs.po
@@ -6,7 +6,7 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2021-01-04 12:55-0600\n"
-"PO-Revision-Date: 2021-12-15 03:32+0000\n"
+"PO-Revision-Date: 2021-12-20 21:53+0000\n"
 "Last-Translator: dronecz <mzuzelka@gmail.com>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "Language: cs\n"
@@ -14,7 +14,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
-"X-Generator: Weblate 4.10-dev\n"
+"X-Generator: Weblate 4.10\n"
 
 #: main.c
 msgid ""
@@ -71,15 +71,15 @@ msgstr "%%c vyžaduje int nebo char"
 #, c-format
 msgid ""
 "%d address pins, %d rgb pins and %d tiles indicate a height of %d, not %d"
-msgstr ""
+msgstr "%d adresní pin, %d rgb pin a %d dlaždice indikuje výšku %d, ne %d"
 
 #: shared-bindings/microcontroller/Pin.c
 msgid "%q and %q contain duplicate pins"
-msgstr ""
+msgstr "%q a %q obsahují duplicitní piny"
 
 #: shared-bindings/microcontroller/Pin.c
 msgid "%q contains duplicate pins"
-msgstr ""
+msgstr "%q obsahuje duplicitní piny"
 
 #: ports/atmel-samd/common-hal/sdioio/SDCard.c
 msgid "%q failure: %d"
@@ -104,23 +104,23 @@ msgstr "Indexy %q musí být celá čísla, nikoli %s"
 
 #: py/argcheck.c
 msgid "%q length must be %d-%d"
-msgstr ""
+msgstr "%q délka  musí být %d-%d"
 
 #: shared-bindings/usb_hid/Device.c
 msgid "%q length must be >= 1"
-msgstr ""
+msgstr "%q délka  musí být >= 1"
 
 #: py/argcheck.c
 msgid "%q must be %d-%d"
-msgstr ""
+msgstr "%q musí být %d-%d"
 
 #: py/argcheck.c shared-bindings/gifio/GifWriter.c
 msgid "%q must be <= %d"
-msgstr ""
+msgstr "%q musí být <= %d"
 
 #: py/argcheck.c
 msgid "%q must be >= %d"
-msgstr ""
+msgstr "%q musí být >= %d"
 
 #: py/argcheck.c shared-bindings/memorymonitor/AllocationAlarm.c
 msgid "%q must be >= 0"
@@ -136,7 +136,7 @@ msgstr "%q musí být > = 1"
 
 #: py/argcheck.c
 msgid "%q must be a string"
-msgstr ""
+msgstr "%q musí být string"
 
 #: shared-module/vectorio/Polygon.c
 msgid "%q must be a tuple of length 2"
@@ -145,19 +145,19 @@ msgstr "%q musí být n-tice délky 2"
 #: ports/espressif/common-hal/imagecapture/ParallelImageCapture.c
 #: shared-module/vectorio/VectorShape.c
 msgid "%q must be between %d and %d"
-msgstr ""
+msgstr "%q musí být mezi %d a %d"
 
 #: py/argcheck.c
 msgid "%q must be of type %q"
-msgstr ""
+msgstr "%q musí být typu %q"
 
 #: ports/atmel-samd/common-hal/busio/UART.c
 msgid "%q must be power of 2"
-msgstr ""
+msgstr "%q musí být mocnina 2"
 
 #: shared-bindings/wifi/Monitor.c
 msgid "%q out of bounds"
-msgstr ""
+msgstr "%q je mimo hranice"
 
 #: ports/raspberrypi/common-hal/rp2pio/StateMachine.c
 #: shared-bindings/canio/Match.c
@@ -166,7 +166,7 @@ msgstr "%q je mimo rozsah"
 
 #: ports/atmel-samd/common-hal/microcontroller/Pin.c
 msgid "%q pin invalid"
-msgstr "Pin %q není platný"
+msgstr "pin %q není platný"
 
 #: shared-bindings/fontio/BuiltinFont.c
 msgid "%q should be an int"
@@ -344,7 +344,7 @@ msgstr ""
 
 #: py/obj.c
 msgid ", in %q\n"
-msgstr ""
+msgstr ", v  %q\n"
 
 #: py/objcomplex.c
 msgid "0.0 to a complex power"
@@ -529,13 +529,15 @@ msgstr ""
 
 #: main.c
 msgid "Auto-reload is off.\n"
-msgstr ""
+msgstr "Automatické načtení je vypnuté.\n"
 
 #: main.c
 msgid ""
 "Auto-reload is on. Simply save files over USB to run them or enter REPL to "
 "disable.\n"
 msgstr ""
+"Automatické načtení je zapnuté. Stačí uložit soubory na USB  nebo vstoupit "
+"do REPLu  pro  jeho zakázání.\n"
 
 #: ports/espressif/common-hal/canio/CAN.c
 msgid "Baudrate not supported by peripheral"
@@ -1952,7 +1954,7 @@ msgstr ""
 
 #: main.c
 msgid "Pretending to deep sleep until alarm, CTRL-C or file write.\n"
-msgstr ""
+msgstr "Předstírám hluboký spánek do alarmu, CTRL-C nebo zápisu souboru.\n"
 
 #: ports/raspberrypi/common-hal/rp2pio/StateMachine.c
 msgid "Program does IN without loading ISR"