Ideatab A8-50 WI-FI + 3G is a tablet manufactured by Lenovo.

Latest user agents (if you are looking for complete list, download it here):

• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.95 YaBrowser/17.1.0.412.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 YaBrowser/22.1.0.194 (lite) Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Safari/537.36 GSA/3.3.12.1106182.arm
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Safari/537.36 OKAndroid/16.8.17 OkApp
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Safari/537.36 Instagram 147.0.0.42.124 Android (19/4.4.2; 213dpi; 800x1216; Lenovo; Lenovo A5500-H; A5500-H; mt8382; ru_RU; 225283623)
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Safari/537.36 Instagram 54.0.0.14.82 Android (19/4.4.2; 213dpi; 800x1216; Lenovo; Lenovo A5500-H; A5500-H; mt8382; ru_RU; 117539695)
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 YaBrowser/21.1.0.188 (lite) Safari/537.36
• Dalvik/1.6.0 (Linux; U; Android 4.4.2 thanks to mehdi nahavandi; Lenovo A5500-HV Build/KOT49H)
• Dalvik/1.6.0 (Linux; U; Android 4.4.2; Lenovo A5500-HV Build/KOT49H)
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-HV Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.99 Safari/537.36 OPR/50.6.2426.201126
• Mozilla/5.0 (Linux; U; Android 4.4.1; ru-RU; Lenovo A5500-H Build/KOT49E) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 UCBrowser/11.2.5.932 U3/0.8.0 Mobile Safari/534.30
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-HV Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.109 Safari/537.36
• Mozilla/5.0 (Linux; U; Android 4.4.2; en-US; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/40.0.2214.89 UCBrowser/11.4.8.1012 Mobile Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.108 Safari/537.36
• Mozilla/5.0 (Linux; U; Android 4.2.2; ru-ru; Lenovo A5500-H Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 YandexSearch/5.40/apad
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36 OPR/49.2.2361.134358
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.109 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Safari/537.36 MxBrowser/4.3.5.2000
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 YaBrowser/18.9.2.31.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 YaBrowser/18.9.0.486.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.103 YaBrowser/18.7.1.575.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.107 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.124 YaBrowser/14.10.2062.11375.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.59 Safari/537.36 OPR/26.0.1656.87080
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.132 Safari/537.36
• Mozilla/5.0 (Linux; U; Android 4.2.2; en-US; Lenovo A5500-H Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 UCBrowser/10.7.0.636 U3/0.8.0 Mobile Safari/534.30
• Mozilla/5.0 (Linux; U; Android 4.2.2; en-US; Lenovo A5500-H Build/JDQ39) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 UCBrowser/10.0.1.512 U3/0.8.0 Mobile Safari/533.1
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 YaBrowser/15.10.2454.3845.01 Yowser/2.5.2 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.84 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.116 Crosswalk/18.48.477.13 Safari/537.36 YandexSearch/5.27/apad
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.85 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.123 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-HV Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.91 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.68 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 YaBrowser/16.10.1.1443.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 YaBrowser/16.7.0.2777.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.94 Safari/537.36 OPR/37.0.2192.105088
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 YaBrowser/16.6.0.8810.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.110 YaBrowser/16.4.0.9335.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 YaBrowser/15.12.0.6164.01 Yowser/2.5.2 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.64 Safari/537.36 OPR/33.0.2002.98088
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 YaBrowser/15.10.2454.3845.01 Yowser/2.5.2 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.93 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.92 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.111 Safari/537.36
• Mozilla/5.0 (Linux; U; Android 4.2.2; ru-ru; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.16 (KHTML, like Gecko) Version/4.0 Safari/537.16
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.91 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.110 Safari/537.36 OPR/36.2.2126.102826
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.94 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.118 YaBrowser/15.4.2272.3842.01 Safari/537.36
• Mozilla/5.0 (Linux; U; Android 4.2.2; en-US; Lenovo A5500-H Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 UCBrowser/10.10.5.809 U3/0.8.0 Mobile Safari/534.30
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.111 YaBrowser/16.2.0.5397.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.94 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.96 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.102 Safari/537.36
• Mozilla/5.0 (Linux; U; Android 4.2.2; en-US; Lenovo A5500-H Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 UCBrowser/11.0.5.850 U3/0.8.0 Mobile Safari/534.30
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 YaBrowser/16.6.0.8810.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.108 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.95 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.78 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.59 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.85 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.97 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.102 YaBrowser/14.2.1700.12535.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-HV Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.125 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.111 YaBrowser/16.2.0.5397.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.102 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 YaBrowser/17.11.0.526.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 YaBrowser/17.3.2.414.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 YaBrowser/17.3.0.373.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.85 Safari/537.36 OPR/41.3.2246.112432
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-HV Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.91 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.85 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.68 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 YaBrowser/16.6.1.9652.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.94 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.105 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-HV Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.73 Safari/537.36 OPR/34.0.2044.98679
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.76 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.118 YaBrowser/15.4.2272.3842.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.78 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.96 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.109 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.122 YaBrowser/14.12.2125.9740.01 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.89 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-HV Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.114 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.117 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.135 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.83 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.91 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.91 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.95 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.133 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.2.2; Lenovo A5500-H Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.93 Safari/537.36
• Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A5500-H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.59 Safari/537.36