diff --git a/base b/base
index 746010975..0e7a6dcfb 160000
--- a/base
+++ b/base
@@ -1 +1 @@
-Subproject commit 746010975e7fa7e9a56e510ce5eb32a2d2feaff3
+Subproject commit 0e7a6dcfb58aa706f6fa231930c7ef58d8e9b3cb
diff --git a/frontend/device/generic/device.lua b/frontend/device/generic/device.lua
index 09bcaa971..862dbbe98 100644
--- a/frontend/device/generic/device.lua
+++ b/frontend/device/generic/device.lua
@@ -46,6 +46,11 @@ local Device = {
     isAlwaysPortrait = no,
     -- needs full screen refresh when resumed from screensaver?
     needsScreenRefreshAfterResume = yes,
+
+    -- set to yes on devices whose framebuffer reports 8bit per pixel,
+    -- but is actually a color eInk screen with 24bit per pixel.
+    -- The refresh is still based on bytes. (This solves issue #4193.)
+    has3BytesWideFrameBuffer = no,
 }
 
 function Device:new(o)
diff --git a/frontend/device/pocketbook/device.lua b/frontend/device/pocketbook/device.lua
index e7e47b60e..6081d523a 100644
--- a/frontend/device/pocketbook/device.lua
+++ b/frontend/device/pocketbook/device.lua
@@ -106,6 +106,12 @@ function PocketBook:init()
         end
     end)
 
+    -- fix rotation for Color Lux device
+    if PocketBook:getDeviceModel() == "PocketBook Color Lux" then
+        self.screen.blitbuffer_rotation_mode = 0
+        self.screen.native_rotation_mode = 0
+    end
+
     os.remove(self.emu_events_dev)
     os.execute("mkfifo " .. self.emu_events_dev)
     self.input.open(self.emu_events_dev, 1)
@@ -203,6 +209,17 @@ local PocketBook740 = PocketBook:new{
     emu_events_dev = "/var/dev/shm/emu_events",
 }
 
+-- PocketBook Color Lux
+local PocketBookColorLux = PocketBook:new{
+    isTouchDevice = yes,
+    hasKeys = yes,
+    hasFrontlight = yes,
+    hasColorScreen = yes,
+    has3BytesWideFrameBuffer = yes,
+    isAlwaysPortrait = no,
+    emu_events_dev = "/var/dev/shm/emu_events",
+}
+
 logger.info('SoftwareVersion: ', PocketBook:getSoftwareVersion())
 
 local codename = PocketBook:getDeviceModel()
@@ -219,6 +236,8 @@ elseif codename == "PocketBook 623" then
     return PocketBook623
 elseif codename == "PB740" then
     return PocketBook740
+elseif codename == "PocketBook Color Lux" then
+    return PocketBookColorLux
 else
     error("unrecognized PocketBook model " .. codename)
 end