​ ​Having those old phones, not working and as well of being long time of not using then unfortunately the password are forgotten already. On these cases, you  have end up of  hiding them without knowing there is a mobile phones for data recovery. After you have remembered that you have used those mobiles before to save a datas and captured memories.  For a long time of period you have decided to give a try and have a chances to get back those data. Because of  someone recommend or have done to do a research for Data Recovery Center.

If the mobiles are not working or dead phones already, we have to do the diagnosis of which parts are damage and must  being careful only for the locations of the datas. Checking are free for us to know the information about the mobiles conditions and if have chances for data recovery. At this point it's a hardware problem already if the device is dead. These case may need a good donors and supported tools for this work. These diagnosis are need time because of making preparation and checking the damage parts. Mostly problem are the motherboard . Once its done to fix the issue of the hardware  then the password  forgotten will be the next step. 

With this work of Not working , Data recovery and password forgotten are really costly. Because the prices will be base on the problems. So be ready for this if you want to see again your old datas that you think it's worth it be back.