Samsung Galaxy A12 Nacho
SM-A127F/DSN
Got warning about Internet limited
Internet was not limited, but completely not working

From one Huawei android phone was working

Operating System: KDE neon 5.26
KDE Plasma Version: 5.26.4
KDE Frameworks Version: 5.100.0
Qt Version: 5.15.7
Kernel Version: 5.15.0-56-generic (64-bit)
Graphics Platform: X11
Processors: 4 × Intel® Core™ i3-4330 CPU @ 3.50GHz
Memory: 3,7 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 4600
Manufacturer: ASUS
Product Name: All Series


ilze@ilze-allseries:~$ lsusb  
Bus 002 Device 002: ID 8087:8000 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 05e3:0732 Genesys Logic, Inc. All-in-One Cardreader
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 011: ID 04e8:6863 Samsung Electronics Co., Ltd Galaxy series, misc. (tethering mode)
Bus 003 Device 005: ID 04fc:0003 Sunplus Technology Co., Ltd CM1092 / Wintech CM-5098 Optical Mouse
Bus 003 Device 006: ID 046d:c31c Logitech, Inc. Keyboard K120
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
ilze@ilze-allseries:~$ inxi -f
CPU:
 Info: dual core model: Intel Core i3-4330 bits: 64 type: MT MCP cache:
   L2: 512 KiB
 Speed (MHz): avg: 1805 min/max: 800/3500 cores: 1: 1896 2: 1896 3: 1896
   4: 1533
 Flags: abm acpi aes aperfmperf apic arat arch_perfmon avx avx2 bmi1 bmi2
   bts clflush cmov constant_tsc cpuid cpuid_fault cx16 cx8 de ds_cpl dtes64
   dtherm dts epb ept ept_ad erms est f16c flexpriority flush_l1d fma fpu
   fsgsbase fxsr ht ibpb ibrs invpcid invpcid_single lahf_lm lm mca mce
   md_clear mmx monitor movbe msr mtrr nonstop_tsc nopl nx pae pat pbe pcid
   pclmulqdq pdcm pdpe1gb pebs pge pln pni popcnt pse pse36 pti pts rdrand
   rdtscp rep_good sdbg sep smep ss ssbd sse sse2 sse4_1 sse4_2 ssse3 stibp
   syscall tm tm2 tpr_shadow tsc tsc_adjust tsc_deadline_timer vme vmx vnmi
   vpid xsave xsaveopt xtopology xtpr