DO NOT BUY DEVICES WITH 4MB FLASH / 32MB RAM if you intend to flash an up-to-date and secure OpenWrt version (18.06 or later) onto it! See 4/32 warning for details.

1) 4/32 devices do not have sufficient resources (flash and/or RAM) to provide secure and reliable operation. See OpenWrt on 4/32 devices what you can do now.

2) OpenWrt support for 4/32 devices will end after 2019. After 19.07, no further OpenWrt images will be built for 4/32 devices. See OpenWrt on 4/32 devices what you can do now.