[Upgrading, Modifying and Unlocking] Michaelbukachi:
My device keeps connecting and disconnecting. This is the message from running

dmesg | grep usb

[34215.513781] usb 2-1.2: new high-speed USB device number 7 using ehci-pci
[34215.623818] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[34215.623822] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[34215.623825] usb 2-1.2: Product: MT65xx Preloader
[34215.623827] usb 2-1.2: Manufacturer: MediaTek
[34218.362718] usb 2-1.2: USB disconnect, device number 7
[34220.633736] usb 2-1.2: new high-speed USB device number 8 using ehci-pci
[34220.743339] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[34220.743344] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[34220.743346] usb 2-1.2: Product: MT65xx Preloader
[34220.743349] usb 2-1.2: Manufacturer: MediaTek
[34223.226903] usb 2-1.3: USB disconnect, device number 6
[34223.641788] usb 2-1.3: new full-speed USB device number 9 using ehci-pci
[34223.753863] usb 2-1.3: New USB device found, idVendor=046d, idProduct=c534
[34223.753868] usb 2-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[34223.753871] usb 2-1.3: Product: USB Receiver
[34223.753873] usb 2-1.3: Manufacturer: Logitech
[34223.756078] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/0003:046D:C534.0009/input/input32
[34223.814258] hid-generic 0003:046D:C534.0009: input,hidraw0: USB HID v1.11 Keyboard [Logitech USB Receiver] on usb-0000:00:1d.0-1.3/input0
[34223.816969] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.1/0003:046D:C534.000A/input/input33
[34223.874255] hid-generic 0003:046D:C534.000A: input,hiddev0,hidraw1: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:1d.0-1.3/input1
[34223.874713] usb 2-1.2: USB disconnect, device number 8
[34225.753761] usb 2-1.2: new high-speed USB device number 10 using ehci-pci
[34225.863682] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[34225.863686] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[34225.863689] usb 2-1.2: Product: MT65xx Preloader
[34225.863691] usb 2-1.2: Manufacturer: MediaTek
[34228.602981] usb 2-1.2: USB disconnect, device number 10
[34230.873763] usb 2-1.2: new high-speed USB device number 11 using ehci-pci
[34230.983854] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[34230.983858] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[34230.983861] usb 2-1.2: Product: MT65xx Preloader
[34230.983864] usb 2-1.2: Manufacturer: MediaTek
[34233.466888] usb 2-1.2: USB disconnect, device number 11
[34241.369777] usb 2-1.2: new full-speed USB device number 12 using ehci-pci
[34241.478326] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=0003
[34241.478328] usb 2-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[34246.010918] usb 2-1.2: USB disconnect, device number 12
[34247.513759] usb 2-1.2: new high-speed USB device number 13 using ehci-pci
[34247.623587] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[34247.623591] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[34247.623594] usb 2-1.2: Product: MT65xx Preloader
[34247.623596] usb 2-1.2: Manufacturer: MediaTek
[34250.362950] usb 2-1.2: USB disconnect, device number 13
[34251.609741] usb 2-1.2: new full-speed USB device number 14 using ehci-pci
[34251.718622] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=0003
[34251.718625] usb 2-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[34254.202997] usb 2-1.2: USB disconnect, device number 14
[36570.994700] usb 2-1.2: new high-speed USB device number 15 using ehci-pci
[36571.104617] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36571.104621] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36571.104624] usb 2-1.2: Product: MT65xx Preloader
[36571.104627] usb 2-1.2: Manufacturer: MediaTek
[36573.846231] usb 2-1.2: USB disconnect, device number 15
[36576.114649] usb 2-1.2: new high-speed USB device number 16 using ehci-pci
[36576.232017] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36576.232020] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36576.232022] usb 2-1.2: Product: MT65xx Preloader
[36576.232023] usb 2-1.2: Manufacturer: MediaTek
[36578.966295] usb 2-1.2: USB disconnect, device number 16
[36581.238708] usb 2-1.2: new high-speed USB device number 17 using ehci-pci
[36581.348970] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36581.348974] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36581.348976] usb 2-1.2: Product: MT65xx Preloader
[36581.348977] usb 2-1.2: Manufacturer: MediaTek
[36584.086520] usb 2-1.2: USB disconnect, device number 17
[36586.354711] usb 2-1.2: new high-speed USB device number 18 using ehci-pci
[36586.464261] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36586.464263] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36586.464265] usb 2-1.2: Product: MT65xx Preloader
[36586.464266] usb 2-1.2: Manufacturer: MediaTek
[36589.206575] usb 2-1.2: USB disconnect, device number 18
[36590.450666] usb 2-1.2: new full-speed USB device number 19 using ehci-pci
[36592.754699] usb 2-1.2: new full-speed USB device number 20 using ehci-pci
[36592.863343] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=0003
[36592.863345] usb 2-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[36597.654680] usb 2-1.2: USB disconnect, device number 20
[36598.902684] usb 2-1.2: new high-speed USB device number 21 using ehci-pci
[36599.016049] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36599.016052] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36599.016054] usb 2-1.2: Product: MT65xx Preloader
[36599.016055] usb 2-1.2: Manufacturer: MediaTek
[36601.750570] usb 2-1.2: USB disconnect, device number 21
[36605.818757] usb 2-1.2: new full-speed USB device number 22 using ehci-pci
[36605.927388] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=0003
[36605.927390] usb 2-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[36610.454698] usb 2-1.2: USB disconnect, device number 22
[36725.366839] usb 2-1.2: new high-speed USB device number 23 using ehci-pci
[36725.476579] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36725.476584] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36725.476588] usb 2-1.2: Product: MT65xx Preloader
[36725.476592] usb 2-1.2: Manufacturer: MediaTek
[36728.216244] usb 2-1.2: USB disconnect, device number 23
[36730.486843] usb 2-1.2: new high-speed USB device number 24 using ehci-pci
[36730.596086] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36730.596090] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36730.596092] usb 2-1.2: Product: MT65xx Preloader
[36730.596094] usb 2-1.2: Manufacturer: MediaTek
[36733.336145] usb 2-1.2: USB disconnect, device number 24
[36735.606860] usb 2-1.2: new high-speed USB device number 25 using ehci-pci
[36735.716786] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36735.716788] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36735.716790] usb 2-1.2: Product: MT65xx Preloader
[36735.716791] usb 2-1.2: Manufacturer: MediaTek
[36738.456627] usb 2-1.2: USB disconnect, device number 25
[36740.726910] usb 2-1.2: new high-speed USB device number 26 using ehci-pci
[36740.836911] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36740.836915] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36740.836918] usb 2-1.2: Product: MT65xx Preloader
[36740.836920] usb 2-1.2: Manufacturer: MediaTek
[36743.576420] usb 2-1.2: USB disconnect, device number 26
[36745.846944] usb 2-1.2: new high-speed USB device number 27 using ehci-pci
[36745.956565] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36745.956572] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36745.956576] usb 2-1.2: Product: MT65xx Preloader
[36745.956579] usb 2-1.2: Manufacturer: MediaTek
[36748.696335] usb 2-1.2: USB disconnect, device number 27
[36750.966899] usb 2-1.2: new high-speed USB device number 28 using ehci-pci
[36751.076486] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36751.076491] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[36751.076494] usb 2-1.2: Product: MT65xx Preloader
[36751.076496] usb 2-1.2: Manufacturer: MediaTek
[36753.816567] usb 2-1.2: USB disconnect, device number 28
[36759.414965] usb 2-1.2: new full-speed USB device number 29 using ehci-pci
[36759.523595] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=0003
[36759.523599] usb 2-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[36764.312932] usb 2-1.2: USB disconnect, device number 29
[36765.558947] usb 2-1.2: new high-speed USB device number 30 using ehci-pci
[36765.668936] usb 2-1.2: New USB device found, idVendor=0e8d, idProduct=2000
[36765.668940] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
.....

The message goes on and on.

I connect my phone when the battery is removed. What could be the problem?