diff --git a/src/calibre/devices/android/driver.py b/src/calibre/devices/android/driver.py
index 9ae6f4ab9c..8c0e98c263 100644
--- a/src/calibre/devices/android/driver.py
+++ b/src/calibre/devices/android/driver.py
@@ -123,6 +123,11 @@ class ANDROID(USBMS):
                     0xe115 : [0x0216], # PocketBook A10
             },
 
+            # Another Viewsonic
+            0x0bb0 : {
+                    0x2a2b : [0x0226, 0x0227],
+            },
+
             # Acer
             0x502 : { 0x3203 : [0x0100, 0x224]},
 
@@ -222,7 +227,7 @@ class ANDROID(USBMS):
             'GT-S5830L_CARD', 'UNIVERSE', 'XT875', 'PRO', '.KOBO_VOX',
             'THINKPAD_TABLET', 'SGH-T989', 'YP-G70', 'STORAGE_DEVICE',
             'ADVANCED', 'SGH-I727', 'USB_FLASH_DRIVER', 'ANDROID',
-            'S5830I_CARD', 'MID7042', 'LINK-CREATE', '7035']
+            'S5830I_CARD', 'MID7042', 'LINK-CREATE', '7035', 'VS']
     WINDOWS_CARD_A_MEM = ['ANDROID_PHONE', 'GT-I9000_CARD', 'SGH-I897',
             'FILE-STOR_GADGET', 'SGH-T959_CARD', 'SGH-T959', 'SAMSUNG_ANDROID', 'GT-P1000_CARD',
             'A70S', 'A101IT', '7', 'INCREDIBLE', 'A7EB', 'SGH-T849_CARD',
@@ -232,7 +237,7 @@ class ANDROID(USBMS):
             'USB_2.0_DRIVER', 'I9100T', 'P999DW_SD_CARD', 'KTABLET_PC',
             'FILE-CD_GADGET', 'GT-I9001_CARD', 'USB_2.0', 'XT875',
             'UMS_COMPOSITE', 'PRO', '.KOBO_VOX', 'SGH-T989_CARD', 'SGH-I727',
-            'USB_FLASH_DRIVER', 'ANDROID', 'MID7042', '7035']
+            'USB_FLASH_DRIVER', 'ANDROID', 'MID7042', '7035', 'VIEWPAD_7E']
 
     OSX_MAIN_MEM = 'Android Device Main Memory'