Latest Android 5 user agents:

User Agent Browser Device
WhatsApp/2.18.79 Android/5.1 Device/Meizu-MX5 WhatsApp 2 MX5
WhatsApp/2.16.352 Mozilla/5.0 (Linux; Android 5.1.1; SAMSUNG SM-G925F Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/3.2 Safari/537.36 WhatsApp 2 Galaxy S6 Edge
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; ZTE_T520) U2/1.0.0 UCBrowser/11.1.1.1091 U2/1.0.0 Mobile UC Browser 11 T520
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; Ursus_N170) U2/1.0.0 UCBrowser/11.1.2.1113 U2/1.0.0 Mobile UC Browser 11 Ursus N170
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; Tele2_Mini) U2/1.0.0 UCBrowser/11.1.0.1041 U2/1.0.0 Mobile UC Browser 11 Mini
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; Micromax_Q346) U2/1.0.0 UCBrowser/11.1.2.1113 U2/1.0.0 Mobile UC Browser 11 Q346
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; Micromax_Q334) U2/1.0.0 UCBrowser/9.2.0.419 U2/1.0.0 Mobile UC Browser 9 Q334
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; Lenovo_A1010a20) U2/1.0.0 UCBrowser/11.2.0.1125 U2/1.0.0 Mobile UC Browser 11 A1010a20
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; Lenovo_A1000m) U2/1.0.0 UCBrowser/10.7.8.806 U2/1.0.0 Mobile UC Browser 10 A1000m
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; Impress_U_Too) U2/1.0.0 UCBrowser/11.1.0.1041 U2/1.0.0 Mobile UC Browser 11 Impress U Too
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; HT3) U2/1.0.0 UCBrowser/9.4.0.460 U2/1.0.0 Mobile UC Browser 9 HT3
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; FS505) U2/1.0.0 UCBrowser/9.7.0.520 U2/1.0.0 Mobile UC Browser 9 Nimbus 7
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; FS405) U2/1.0.0 UCBrowser/10.2.0.584 U2/1.0.0 Mobile UC Browser 10 Stratus 4
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; ru; Beeline_Smart_6) U2/1.0.0 UCBrowser/10.7.9.856 U2/1.0.0 Mobile UC Browser 10 Smart 6
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; pt-BR; VFD_100) U2/1.0.0 UCBrowser/11.1.3.1128 U2/1.0.0 Mobile UC Browser 11 VFD 100
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; pt-BR; MS45S) U2/1.0.0 UCBrowser/9.1.0.386 U2/1.0.0 Mobile UC Browser 9 MS45S
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; id; S5E_NXT) U2/1.0.0 UCBrowser/11.1.1.1091 U2/1.0.0 Mobile UC Browser 11 S5E NXT
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; id; POLYTRON_L501) U2/1.0.0 UCBrowser/10.7.6.805 U2/1.0.0 Mobile UC Browser 10 Rocket L501
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; en-US; X1_atom_L) U2/1.0.0 UCBrowser/10.7.8.806 U2/1.0.0 Mobile UC Browser 10 X1 Atom L
UCWEB/2.0 (MIDP-2.0; U; Adr 5.1; en-US; TECNO-L8Plus) U2/1.0.0 UCBrowser/10.1.2.571 U2/1.0.0 Mobile UC Browser 10 L8 Plus