64MB RAM upgrade for TP-LINK WR841ND OpenWrt free firmware Wifi router

Описание: I am not happy with my TP-LINK WR841NV9 as its RAM is only 32MB, after install OpenWrt I have only about 7MB available
So I decided to upgrade my router from 32MB to 64MB RAM so it can support more clients
Now I have more than 46MB available memory
To upgrade router to 64M RAM, first I need to desolder my original 32M RAM chip
Using hot air gun, you can do it, just find some DIY guide from youtube and follow the instruction, or you can also follow me
Clean up the board
Add some tin
I bought 64MB RAM chip from Aliexpress just about $1 per chip and they ship free world wide
You can search for Free shipping SMD 10pcs HY5DU121622DTP-D43 Route 64M DDR memory DRAM chip particles TSSOP66
Solder the new RAM chip to router board
Finally, clean up everything
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