Latest update in 8, Mar, 2018

Primary in use (maintenance)

• iPhone7+ (Blk. 256GB)
• iPhone7 (Blk. 128GB)
  
• iPhone6s (Space gray, 128GB) KR
  
• LG G3 F400L
• Ulefone Vienna ( 3GB + 32GB ) : android 6.0

Secondary in use (non-maintenance)

• iPhone5 (Blk, 32GB)
  
• Xiaomi Redmi 4X ( Blk. 3GB + 32GB )
• Xiaomi Redmi Note 4X ( Blk. 3GB + 32GB )
• Xiaomi Redmi 5 plus ( Blk. 3GB + 32GB ) China -> Unlock + GLB
  
• Xiaomi Redmi 5 plus ( Blk. 3GB + 32GB ) GLB
  
• Blueboo Daul ( 2GB + 16GB ) : android 6.0 / mod AOSP
  
• Doogee Shoot 1 ( 2GB + 16GB ) : andoird 6.0 / mod AOSP
  
• LG G3 D855 ( 3GB + 32GB ) : V30B android 6.0 (SEA)
  
• LG Optimus GK ( KT, 2GB + 16GB) : Vanilla manufacturer's android 5.0.2 / unrooted 
• Oukitel K6000 ( 2GB + 16GB ) : rooted stock 5.1 / running as web server
  

Back up/Stored

• iPhone7 (Blk, 256GB) GB
  
• iPhone6s (Space gray, 128GB) JP
  
• iPhone5 (Blk, 64GB) / repaired
• iPhone5 (Blk, 32GB) / refurbished
• iPhone3Gs (Blk, 8GB)
  
• iPhone3Gs (Blk, 16GB)
  
• iPhone4 (Blk, 32GB) / refurbished
  
• iPhone4s (Wht, 64GB) / refurbished
  
• SONY XPERIA Z1 (K, 16GB) : stock 5.1 / non-modded / repaired
• Xiaomi Redmi 3s ( 2GB + 16GB )
• Ulefone Metal ( 3GB + 16GB ) : android 6.0 / mod AOSP
• Ulefone Paris X ( 2GB + 16GB ) : android 5.1 / mod AOSP
• Siswoo C55 ( 2GB + 16GB ) : android 5.1 / mod AOSP
• Vernee Thor ( 3GB + 16GB ) : android 6.0 / mod AOSP
• Doogee F5 ( 3GB + 16GB) : android 5.1 / mod AOSP
• Doogee Y6 ( 2GB + 16GB ) : android 6.0 / mod AOSP
• Oukitel U20 plus ( 2GB + 16GB ) : android 6.0 / mod AOSP

On testing

• N/A
  

Tablet PC

• New iPad (iPad 3Gen, WiFi, Wht. 32GB) : iOS9
• iPad mini (LTE, 32GB) : iOS9
  
• nVidia Shield
  

Music devices

• iPhone3Gs (Blk, 32GB) / audio player with dock audio system, line-out direct connected
  
• iPod touch 3Gen (32GB) / car audio player, line-out direct connected
• iPod touch 4Gen (8GB) / audio player with dock audio system, USB DAC connected
• iPod touch 4Gen (32GB) / for headphone amp, USB DAC amp (FiiO E11, E7-2)
  

IEMs

• UE: UE700, UE600, Super.Fi4, Super.Fi4 mic, Super.Fi3 studio(AL UHP-336), UE200, UE200 mic, UE100
• Phonak: PFE-122, PFE-122 last model
  
• Kinera: BD005
  
• Xiaomi: Hybrid
• Senfer: UE, UEs
• KZ : ATE , ZST
  
• REMAX: 600M
  
• T-PEOS: H-100 (Initial product), D-202, D-201, POPular
• GreenHouse: GH-ERC-DMC
• Creative: Aurvana In-Ear3, EP-630
• SONY: XBA-1(B), XBA-10(W), XBA-C10
• Altec Lansing: MZX-606
• LG: Quad-Beat 1, Quad-Beat 2, Quad-Beat 3
  
• ME Electronics: A151
• Sound Magic: PL50, PL30(New), PL30(Old)
• JVC: HAFX1X
• iRiver: AE-2
• iSound: DAS-EA-03
  

• AKG: K702, K619, K550, K545(x2), K142HD, K420, K450
• Sennheiser: HD238B

• FiiO: E07K, E11, E10K, Q1
  
• Topping: NX2
• Zhillai: H8
  

Retired / Dead

• LG PRADA 3.0
• Ulefone Paris
• SEC Galaxy S (S, 16GB) : Vanilla manufacturer's android 2.3 / rooted
• Google Galaxy Nexus (K, 16GB) : OMNIrom 4.4.4 / Dalvik / unrooted
• Google Nexus4 (K, 16GB) : XDA mod rom 6.0.2 / ART / unrooted