* mediatek mtk6261 cpu
  * https://www.aliexpress.com/item/HQ-Anti-Lost-GPS-Tracker-Watch-For-Kids-SOS-Emergency-GSM-Smart-Mobile-Phone-App-For/32766262248.html?spm=2114.30010308.3.41.OOxD0d&s=p&ws_ab_test=searchweb0_0,searchweb201602_5_10065_10068_10501_10000074_10503_10000032_119_10000025_10000029_10000028_10060_10000067_10062_10056_10055_10000062_10054_10059_10099_10000022_10000013_10103_10102_10000016_10096_10000018_10000019_10000056_10000059_10052_10053_10107_10050_10106_10051_9983_10000053_10000007_10000050_10084_10083_10000047_10080_10082_10081_10110_10111_10112_10113_10114_10115_10000041_10000044_10078_10079_10000038_10073_10000035_10122_10121,searchweb201603_2,afswitch_4_afChannel,single_sort_3_default&btsid=d5c4678d-d13e-45fe-bed2-3337fb7a2e29
  * Firmwares: https://drive.google.com/drive/u/0/folders/0B_hRh3DjuBoeblBsakZfUWFCeGM
  * https://forum.xda-developers.com/smartwatch/other-smartwatches/smartwatchme-q10-mtk6260-t3314149
  * https://forum.xda-developers.com/smartwatch/other-smartwatches/readback-extractor-mtk6260-firmware-t3289272
  * http://www.bunniestudios.com/blog/?p=4297