Please read this LEDE on WNDR3700v4 (available flash size)
there is a patch to safely use whole 128 MB on WNDR 3700v4. I compiled it myself and it's working great since i bought it 
Please read this LEDE on WNDR3700v4 (available flash size)
there is a patch to safely use whole 128 MB on WNDR 3700v4. I compiled it myself and it's working great since i bought it