New iPad unlocked SN Serial number with BT / WiFi address, 100% fix all models ipad activation error, when upgrade ipad memory or change New NAND / remove ipad icloud locked, update iSO 11.*, fix re-activation error, remove icloud locked trouble on ipad 234 mini123 air12 pro.

SN for iPad,2 model

Model-1: A7 SN,compatible with  A7 CPU for Air/mini3/mini2, 

also it can be used for all model of iPads, 

Model-2: name it as A8 SN:,compatible with A11/A10/A9/A9X/A8X/A8 etc

somebody also call it as iPad 4 SN.

From March 2018

32 bit iPad . 

Mimi 1/iPad4/3/2.A6/A5  CPU 

Also Need A8 SN

Before using SN for iPad SN Please note:

no solution to avoid iCloud Can exchange for icloud 

But Please note time ,icloud problem warranty(exchange): Within 3 days 

for not actavtion, warranty (exchange) : within 2 week.

Thanks for understanding.

3 very important step:

S1:restore after soldering nand with new SN/wifi/bt

S2:register with your own id/or customer

S3:restore again

just be aware the bug of iPad,

if you do not load with your own id, 

there is possibility that some other people also calculate the same SN, and register with his id.